Wildlife of North Sterling State Park

North Sterling State Park is located on the high plains of northeast Colorado in Logan County, 12 miles north of the town of Sterling and 20 miles south of the Nebraska border. The Pawnee National Grasslands are 20 miles to the west and the Chimney Canyons bluffs are just north of the park. The ...more ↓

Great Plains toad

The Great Plains toad (Bufo cognatus) is a relatively large species of toad. It ranges from southern Alberta, throughout the midwest United States and the inland western United States into northern Mexico.

Woodhouse's Toad

The Woodhouse's Toad, (Bufo woodhousii) is a medium-sized (4 inches or 10 centimetres) true toad, which is native to the United States and Mexico. There are two recognized subspecies. The epithet woodhousii is in honor of the American physician and naturalist Samuel Washington Woodhouse.B. woodhousii tends to hybridize with Bufo americanus in their ...more ↓

Northern Cricket Frog

The northern cricket frog (Acris crepitans) is a species of small hylid frog native to the United States and northeastern Mexico. Despite being members of the tree frog family, they are not arboreal. It has three recognized subspecies.

Western Chorus Frog

The western chorus frog, striped chorus frog, or midland chorus frog (Pseudacris triseriata) is a species of frog found in Canada and the United States.

Plains leopard frog

The Plains leopard frog (Lithobates blairi) It is sometimes referred to as Blair's leopard frog, named after the noted zoologist and University of Texas professor, Dr. W. Frank Blair.

American bullfrog

The American bullfrog (Lithobates catesbeianus), often simply known as the bullfrog in Canada and the United States, is an aquatic frog, a member of the family Ranidae, or “true frogs”. This species has traditionally been classified as Rana catesbeiana, however the classification has been changed to Lithobates due to paraphyly in Ranidae. This frog has an ...more ↓

Northern Leopard Frog

The northern leopard frog (Lithobates pipiens) is a species of leopard frog from the true frog family, native to parts of Canada and United States. It is the state amphibian of Minnesota and Vermont.

Plains Spadefoot

The plains spadefoot toad (Spea bombifrons) is a species of spadefoot toad which ranges from southwestern Canada, throughout the Great Plains of the western United States, and into northern Mexico. Like other species of spadefoot toads, they get their name from a spade-like projections on their hind legs which allow them to dig into sandy soils.

Western Tiger Salamander

The barred tiger salamander or western tiger salamander (Ambystoma mavortium) is a species of mole salamander found from southwestern Canada in British Columbia, Alberta, Saskatchewan, and Manitoba, south through the western United States to Texas and northern Mexico.

Greater short-horned lizard

The short-horned lizard (Phrynosoma hernandesi) is a small lizard that occurs in North America. Like other horned lizards, it is often wrongly called the "Horned Toad" or "Horny Toad," but it is not a toad at all. It is a reptile, not an amphibian. It is one of seven native species of lizards in Canada. The species name, hernandesi, honors Francisco Hernández Médico who ...more ↓

Western Earless Lizard

The lesser earless lizard (Holbrookia maculata) is a species of phrynosomid lizard endemic to the southwestern and central United States and northern Mexico.

Many-Lined Skink

Plestiodon multivirgatus, the many-lined skink, is a medium-sized species of lizard, a member of the North American skink genus Plestiodon.

Great Plains skink

The Great Plains skink (Plestiodon obsoletus) is a species of lizard endemic to North America.

Six-Lined Racerunner

The Six-lined Racerunner (Cnemidophorus sexlineatus) is a species of lizard endemic to the United States.

Six-lined Racerunner

The six-lined racerunner (Aspidoscelis sexlineatus) is a species of lizard native to the United States and Mexico.

Plains Garter Snake

The Plains garter snake (Thamnophis radix) is a species of garter snake native to most of the central United States as far north as Canada and as far south as Texas. It has a distinctive orange or yellow stripe from its head to tail, and the rest of its body is mainly a gray-green color. The snake is commonly found living near water sources such as streams and ponds, but can ...more ↓

Red-sided Garter Snake

The Common Garter Snake (Thamnophis sirtalis) is an indigenous North American snake found widely across the continent. Most garter snakes have a pattern of yellow stripes on a brown or green background and their average length is about 55 cm (22 in), with a maximum length of about 137 cm (54 in). The average body mass is 150 g (5.3 oz).

Northern Watersnake

The northern water snake (Nerodia sipedon) is a species of large, nonvenomous, common snake in the Colubridae family that is native to North America.

Plains Hognose Snake

Western Hognose snakes are relatively small, stout-bodied snakes found throughout the Great Plains states of the U.S. from Canada to Mexico. Their color and pattern is highly variable from subspecies to subspecies, although most specimens appear much like the infamous rattlesnake to the untrained eye. This optical bluff, used in conjunction with a wide array of other clever defense tactics, ...more ↓

Coachwhip

Masticophis flagellum is a species of nonvenomous colubrid snake, commonly referred to as the coachwhip or the whip snake, which is endemic to the United States and Mexico. Seven subspecies are recognized, including the nominotypical subspecies.

Yellowbelly Racer

Coluber constrictor flaviventris, commonly known as the eastern yellowbelly racer, is a subspecies of racer, a nonvenomous, colubrid snake. It is endemic to North America.

Glossy Snake

Arizona elegans is a species of medium-sized colubrid snake commonly referred to as the glossy snake or the faded snake, which is endemic to the southwestern United States and Mexico. The genus Arizona has only one officially recognized species, A. elegans, with several subspecies. Some have recommended that A. elegans occidentalis be granted ...more ↓

Plains Black-headed Snake

The Plains black-headed snake (Tantilla nigriceps) is a species of snake of the family Colubridae.

Gopher Snake

Pituophis catenifer is a species of nonvenomous colubrid snake endemic to North America. Six subspecies are currently recognized, including the nominotypical subspecies, Pituophis catenifer catenifer, described here. This snake is often mistaken for a diamondback rattlesnake but can be easily distinguished from a rattlesnake by the lack of black and white banding on its ...more ↓

Milk snake

Lampropeltis triangulum, commonly known as a milk snake or milksnake, (French: Couleuvre tachetée; Spanish: Culebra-real coralillo) is a species of king snake. There are 24 subspecies of milk snakes. Lampropeltis elapsoides, the scarlet kingsnake, was formerly classified as the subspecies L. t. elapsoides, but is now recognized as a ...more ↓

Prairie Rattlesnake

Crotalus viridis (Common names: prairie rattlesnake, western rattlesnake, Great Plains rattlesnake, and others) is a venomous pit viper species native to the western United States, southwestern Canada, and northern Mexico. Currently, two subspecies are recognized, including the nominate subspecies described here.

Spiny softshell turtle

The spiny softshell turtle (Apalone spinifera) is a species of softshell turtle, one of the largest freshwater turtle species in North America. They get their name from the spiny, cone-like projections on the leading edge of their carapaces, which are not scutes (scales).

Common Snapping Turtle

The common snapping turtle (Chelydra serpentina) is a large freshwater turtle of the family Chelydridae. Its natural range extends from southeastern Canada, southwest to the edge of the Rocky Mountains, as far east as Nova Scotia and Florida. This species and the larger alligator snapping turtle are the only two species in this family found in North America (though the common ...more ↓

Yellow mud turtle

The yellow mud turtle (Kinosternon flavescens) is a species of mud turtle in the Kinosternidae family that can be found in the Central United States and Mexico.

Painted Turtle

The painted turtle (Chrysemys picta) is the most widespread native turtle of North America. It lives in slow-moving fresh waters, from southern Canada to Louisiana and northern Mexico, and from the Atlantic to the Pacific. The turtle is the only species of the genus Chrysemys, which is part of the pond turtle family Emydidae. Fossils show that the painted turtle ...more ↓

Yellow-billed Cuckoo

The yellow-billed cuckoo (Coccyzus americanus) is a cuckoo. Common folk-names for this bird in the southern United States are rain crow and storm crow. These likely refer to the bird's habit of calling on hot days, often presaging rain or thunderstorms.

Black-billed cuckoo

The Black-billed Cuckoo (Coccyzus erythropthalmus) is a cuckoo.

Greater roadrunner

The greater roadrunner (Geococcyx californianus) is a long-legged bird in the cuckoo family, Cuculidae, from Southwestern United States and Mexico. The Latin name means "Californian earth-cuckoo". Along with the lesser roadrunner, it is one of two species in the roadrunner genus Geococcyx. This roadrunner is also known as the chaparral cock, ground cuckoo, and snake ...more ↓

Red-bellied woodpecker

The Red-bellied Woodpecker (Melanerpes carolinus) is a medium-sized woodpecker of the Picidae family. It breeds in southern Canada and the northeastern United States, ranging as far south as Florida and as far west as Texas. Its common name is somewhat misleading, as the most prominent red part of its plumage is on the head; the Red-headed Woodpecker, however, is another species ...more ↓

Red-headed woodpecker

The Red-headed Woodpecker (Melanerpes erythrocephalus) is a small or medium-sized woodpecker from temperate North America. Their breeding habitat is open country across southern Canada and the eastern-central United States.

Lewis's Woodpecker

The Lewis's Woodpecker (Melanerpes lewis) is a large North American species of woodpecker which was named by ornithologist Alexander Wilson for Meriwether Lewis, one of the explorers who surveyed the areas bought by the United States of America during the Louisiana Purchase.

Northern Flicker

The Northern Flicker (Colaptes auratus) is a medium-sized member of the woodpecker family. It is native to most of North America, parts of Central America, Cuba, the Cayman Islands, and is one of the few woodpecker species that migrate. There are over 100 common names for the Northern Flicker. Among them are: Yellowhammer, clape, gaffer woodpecker, harry-wicket, heigh-ho, ...more ↓

Downy Woodpecker

The downy woodpecker (Dryobates pubescens) is a species of woodpecker, the smallest in North America.

Hairy Woodpecker

The hairy woodpecker (Leuconotopicus villosus) is a medium-sized woodpecker, averaging approximately 250 mm (9.8 in) in length with a 380 mm (15 in) wingspan. With an estimated population in 2003 of over nine million individuals, the hairy woodpecker is listed by the IUCN as a species of least concern in North America. Some taxonomic authorities, including the American ...more ↓

Eastern screech owl

The Eastern Screech Owl or Eastern Screech-Owl (Megascops asio) is a small owl that is relatively common in Eastern North America, from Mexico to Canada.

Burrowing Owl

The Burrowing Owl (Athene cunicularia) is a tiny but long-legged owl found throughout open landscapes of North and South America. Burrowing Owls can be found in grasslands, rangelands, agricultural areas, deserts, or any other open dry area with low vegetation. They nest and roost in burrows, such as those excavated by prairie dogs (Cynomys spp.). Unlike most owls, ...more ↓

Snowy Owl

The Snowy Owl (Bubo scandiacus) is a large owl of the typical owl family Strigidae. The Snowy Owl was first classified in 1758 by Carolus Linnaeus, the Swedish naturalist who developed binomial nomenclature to classify and organize plants and animals. Until recently, it was regarded as the sole member of a distinct genus, as Nyctea scandiaca, but mtDNA cytochrome ...more ↓

Great Horned Owl

The Great Horned Owl, (Bubo virginianus), also known as the Tiger Owl, is a large owl native to the Americas. It is an adaptable bird with a vast range and is the most widely distributed true owl in the Americas.

Short-eared Owl

The Short-eared Owl (Asio flammeus) is a species of typical owl (family Strigidae). In Scotland this species of owl is often referred to as a cataface, grass owl or short-horned hootlet. Owls belonging to genus Asio are known as the eared owls, as they have tufts of feathers resembling mammalian ears. These "ear" tufts may or may not be visible. Asio flammeus will ...more ↓

Long-eared Owl

The long-eared owl (Asio otus, previously Strix otus) is a species of owl which breeds in Europe, Asia, and North America. This species is a part of the larger grouping of owls known as typical owls, family Strigidae, which contains most species of owl. The other grouping of owls are the barn owls, family Tytonidae.

Northern Saw-whet Owl

The northern saw-whet owl (Aegolius acadicus) is a small owl native to North America.

Barn Owl

The barn owl (Tyto alba) is the most widely distributed species of owl, and one of the most widespread of all birds. It is also referred to as the common barn owl, to distinguish it from other species in its family, Tytonidae, which forms one of the two main lineages of living owls, the other being the typical owls (Strigidae). The barn owl is found almost everywhere in ...more ↓

Belted Kingfisher

The Belted Kingfisher (Megaceryle alcyon) is a large, conspicuous water kingfisher, the only member of that group commonly found in the northern United States and Canada. It is depicted on the 1986 series Canadian $5 note. All kingfishers were formerly placed in one family, Alcedinidae, but recent research suggests that this should be divided into three. All six New World ...more ↓

Eurasian Collared Dove

The Eurasian collared dove (Streptopelia decaocto), most often simply called the collared dove, also sometimes hyphenated as Eurasian collared-dove, is a species of dove native to warm temperate and subtropical Asia, and introduced in North America in 1980s.

Rock Pigeon

The rock dove (Columba livia) or rock pigeon is a member of the bird family Columbidae (doves and pigeons). In common usage, this bird is often simply referred to as the "pigeon".

Mourning Dove

The mourning dove (Zenaida macroura) is a member of the dove family, Columbidae. The bird is also known as the American mourning dove or the rain dove, and erroneously as the turtle dove, and was once known as the Carolina pigeon or Carolina turtledove. It is one of the most abundant and widespread of all North American birds. It is also a ...more ↓

Sora

The sora (Porzana carolina) is a small waterbird of the family Rallidae, sometimes also referred to as the sora rail or sora crake. The genus name Porzana is derived from Venetian terms for small rails, and Carolina refers to the Carolina Colony. "Sora" is probably taken from a Native American language.

Virginia Rail

The Virginia rail (Rallus limicola) is a small waterbird, of the family Rallidae. These birds remain fairly common despite continuing loss of habitat, but are secretive by nature and more often heard than seen. They are also considered a game species in some provinces and states, though rarely hunted.

American Coot

The American Coot (Fulica americana) (a.k.a. mud hen) is a bird of the family Rallidae. Though commonly mistaken to be ducks, American Coots belong to a distinct order. Unlike the webbed feet of ducks, coots have broad, lobed scales on their lower legs and toes that fold back with each step in order to facilitate walking on dry land. Coots live near water, typically inhabiting ...more ↓

Sandhill Crane

The sandhill crane (Grus canadensis) is a species of large crane of North America and extreme northeastern Siberia. The common name of this bird refers to habitat like that at the Platte River, on the edge of Nebraska's Sandhills on the American Plains. This is the most important stopover area for the nominotypical subspecies, the lesser sandhill crane (Grus canadensis ...more ↓

Whooping Crane

The whooping crane (Grus americana), the tallest North American bird, is an endangered crane species named for its whooping sound. In 2003, there were about 153 pairs of whooping cranes. Along with the sandhill crane, it is one of only two crane species found in North America. The whooping crane's lifespan is estimated to be 22 to 24 years in the wild. After being pushed to the ...more ↓

Turkey Vulture

The Turkey Vulture (Cathartes aura), also known in some North American regions as the turkey buzzard (or just buzzard), and in some areas of the Caribbean as the John crow or carrion crow, is the most widespread of the New World vultures. One of three species in the genus Cathartes, in the family Cathartidae, the Turkey Vulture ranges from ...more ↓

Northern Bobwhite

The northern bobwhite, Virginia quail or (in its home range) bobwhite quail (Colinus virginianus) is a ground-dwelling bird native to the United States, Mexico, and the Caribbean. It is a member of the group of species known as New World quails (Odontophoridae). They were initially placed with the Old World quails in the pheasant family (Phasianidae), but are not ...more ↓

Greater prairie chicken

The greater prairie chicken or pinnated grouse (Tympanuchus cupido), sometimes called a boomer, is a large bird in the grouse family. This North American species was once abundant, but has become extremely rare and extirpated over much of its range due to habitat loss. Conservation measures are underway to ensure the sustainability of existing small populations. ...more ↓

Sharp-tailed Grouse

The sharp-tailed grouse (Tympanuchus phasianellus) (previously: Tetrao phasianellus) is a medium-sized prairie grouse. It is also known as the sharptail, and is known as fire grouse or fire bird by Native American Indians due to their reliance on brush fires to keep their habitat open. The Sharp-Tailed Grouse is the provincial bird of ...more ↓

Wild Turkey

The wild turkey (Meleagris gallopavo) is an upland ground bird native to North America and is the heaviest member of the diverse Galliformes. It is the same species as the domestic turkey, which was originally derived from a southern Mexican subspecies of wild turkey (not the related ocellated turkey). Although native to North America, the turkey probably got its name from the ...more ↓

Ring-necked Pheasant

The Common Pheasant (Phasianus colchicus), is a bird in the pheasant family (Phasianidae). It is native to Asia and has been widely introduced elsewhere as a game bird. In parts of its range, namely in places where none of its relatives occur such as in Europe (where it is naturalized), it is simply known as the "pheasant". Ring-necked Pheasant is both the name ...more ↓

Sanderling

The sanderling (Calidris alba) is a small wading bird. The name derives from Old English sand-yrðling, "sand-ploughman". The genus name is from Ancient Greek kalidris or skalidris, a term used by Aristotle for some grey-coloured waterside birds. The specific alba is Latin for "white".

Dunlin

The dunlin (Calidris alpina) is a small wader, sometimes separated with the other "stints" in Erolia. It is a circumpolar breeder in Arctic or subarctic regions. Birds that breed in northern Europe and Asia are long-distance migrants, wintering south to Africa, southeast Asia and the Middle East. Birds that breed in Alaska and the Canadian Arctic migrate short distances ...more ↓

Baird's Sandpiper

The Baird's Sandpiper (Calidris bairdii) is a small shorebird. It is among those calidrids sometimes separated in Erolia.

Red Knot

The red knot (Calidris canutus) (just knot in Europe) is a medium-sized shorebird which breeds in tundra and the Arctic Cordillera in the far north of Canada, Europe, and Russia. It is a large member of the Calidris sandpipers, second only to the great knot. Six subspecies are recognised.

White-rumped Sandpiper

The White-rumped Sandpiper (Calidris fuscicollis) is a small shorebird.

Stilt Sandpiper

The Stilt Sandpiper (Calidris himantopus) or Micropalama himantopus, is a small shorebird; it bears some resemblance to the smaller calidrid sandpipers or "stints". DNA sequence information is incapable of determining whether it should be placed in Calidris or in the monotypic genus Micropalama. It appears most closely allied with the Curlew ...more ↓

Western Sandpiper

The Western Sandpiper, Calidris or Erolia mauri, is a small shorebird.

Pectoral Sandpiper

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Least Sandpiper

The Least Sandpiper (Calidris minutilla) is the smallest shorebird.

Semipalmated Sandpiper

The semipalmated sandpiper (Calidris pusilla) is a very small shorebird. The genus name is from Ancient Greek kalidris or skalidris, a term used by Aristotle for some grey-coloured waterside birds. The specific pusilla is Latin for "very small".

Buff-breasted sandpiper

The buff-breasted sandpiper (Tryngites subruficollis) is a small shorebird. It is a calidrid sandpiper and currently considered to be the only member of the genus Tryngites. Indeed, it probably belongs in the genus Calidris itself, or more precisely with the small species thereof that should be split into a distinct genus. Depending on whether this would ...more ↓

Short-billed dowitcher

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Long-billed dowitcher

The Long-billed Dowitcher (Limnodromus scolopaceus) is a medium-sized shorebird.

Lesser Yellowlegs

The Lesser Yellowlegs (Tringa flavipes) is a medium-sized shorebird similar in appearance to the larger Greater Yellowlegs. It is not closely related to this bird, however, but instead to the much larger and quite dissimilar Willet; merely the fine, clear and dense pattern of the neck shown in breeding plumage indicates these species' actual relationships.

Greater Yellowlegs

The Greater Yellowlegs (Tringa melanoleuca) is a large North American shorebird, similar in appearance to the smaller Lesser Yellowlegs. Its closest relative, however, is the Greenshank, which together with the Spotted Redshank form a close-knit group. Among them, these three species show all the basic leg and foot colors found in the shanks, demonstrating that this character is ...more ↓

Willet

The Willet (Tringa semipalmata), formerly in the monotypic genus Catoptrophorus as Catoptrophorus semipalmatus, is a large shorebird in the sandpiper family. It is a good-sized and stout scolopacid, the largest of the shanks. Its closest relative is the Lesser Yellowlegs, a much smaller bird with a very different appearance apart from the fine, clear, and ...more ↓

Solitary Sandpiper

The Solitary Sandpiper (Tringa solitaria) is a small wader (shorebird).

Long-billed curlew

The Long-billed Curlew (Numenius americanus) is a large North American shorebird of the family Scolopacidae. This species was also called "sicklebird" and the "candlestick bird". The species is native to central and western North America. In the winter, the species migrates southwards, as well as towards the coastline.

Whimbrel

The whimbrel (Numenius phaeopus) is a wader in the large family Scolopacidae. It is one of the most widespread of the curlews, breeding across much of subarctic North America, Europe and Asia as far south as Scotland.

Common Snipe

The Common Snipe (Gallinago gallinago) is a small, stocky wader native to the Old World. The breeding habitat is marshes, bogs, tundra and wet meadows throughout northern Europe and northern Asia. It is migratory, with European birds wintering in southern and western Europe and Africa (south to the Equator), and Asian migrants moving to tropical southern Asia. The North American ...more ↓

Ruddy Turnstone

The ruddy turnstone (Arenaria interpres) is a small wading bird, one of two species of turnstone in the genus Arenaria. It is now classified in the sandpiper family Scolopacidae but was formerly sometimes placed in the plover family Charadriidae. It is a highly migratory bird, breeding in northern parts of Eurasia and North America and flying south to winter on coastlines ...more ↓

Marbled Godwit

The Marbled Godwit (Limosa fedoa) is a large shorebird. On average, it is the largest of the 4 species of godwit. The total length is 40–50 cm (16–20 in), including a large bill of 8–13 cm (3.1–5.1 in), and wingspan is 70–88 cm (28–35 in). Body mass can vary from 240 to 510 g (8.5 to 18 oz).

Hudsonian Godwit

The Hudsonian Godwit (Limosa haemastica) is a large shorebird.

Red-necked Phalarope

The red-necked phalarope (Phalaropus lobatus) is a small wader. The English and genus names for phalaropes come through French phalarope and scientific Latin phalaropus from Ancient Greek phalaris, "coot", and pous, "foot". Coots and phalaropes both have lobed toes. The specific lobatus is New Latin for lobed, for the same reason. This bird was ...more ↓

Wilson's Phalarope

The Wilson's phalarope (Phalaropus tricolor) is a small wader. This bird, the largest of the phalaropes, breeds in the prairies of North America in western Canada and the western United States. It is migratory, wintering in inland salt lakes near the Andes in Argentina. They are passage migrants through Central America around March/April and again during September/October. The ...more ↓

Upland sandpiper

The upland sandpiper (Bartramia longicauda) is a large sandpiper, closely related to the curlews. Older names are the upland plover and Bartram's sandpiper. In Louisiana, it is also colloquially known as the papabotte. It is the only member of the genus Bartramia. The genus name and the old common name Bartram's sandpiper commemorate the American ...more ↓

Spotted sandpiper

The Spotted Sandpiper (Actitis macularius syn. Actitis macularia) is a small shorebird, 18–20 cm long. Together with its sister species, the Common Sandpiper (A. hypoleucos) they make up the genus Actitis. They replace each other geographically; stray birds may settle down with breeders of the other species and hybridize.

Least Tern

The Least Tern (Sternula antillarum, formerly Sterna antillarum) is a species of tern that breeds in North America and locally in northern South America. It is closely related to, and was formerly often considered conspecific with, the Little Tern of the Old World. Other close relatives include the Yellow-billed Tern and Peruvian Tern, both from South America.

Caspian tern

The Caspian Tern (Hydroprogne caspia, formerly Sterna caspia;syn. Hydroprogne tschegrava, Helopus caspius) is a species of tern, with a subcosmopolitan but scattered distribution. Despite its extensive range, it is monotypic of its genus, and has no subspecies accepted either. In New Zealand it is also known by the Maori name Taranui.

Forster's Tern

The Forster's Tern (Sterna forsteri) is a member of the tern family Sternidae. It breeds inland in North America and winters south to the Caribbean and northern South America.

Common Tern

The Common Tern (Sterna hirundo) is a seabird of the tern family Sternidae. This bird has a circumpolar distribution, its four subspecies breeding in temperate and subarctic regions of Europe, Asia and North America. It is strongly migratory, wintering in coastal tropical and subtropical regions. Breeding adults have light grey upperparts, white to very light grey underparts, a ...more ↓

Black Tern

The black tern (Chlidonias niger or Chlidonias nigra) is a small tern generally found in or near inland water in Europe and North America. As its name suggests, it has predominantly dark plumage. In some lights it can appear blue in the breeding season, hence the old English name "blue darr". The scientific name means "like a swallow".

Bonaparte's Gull

The Bonaparte's Gull (Chroicocephalus philadelphia) is a small gull.

Herring Gull

Herring gull is a common name for several birds in the genus Larus and may refer to:

California Gull

The California Gull (Larus californicus) is a medium-sized gull, smaller on average than the Herring Gull but larger on average than the Ring-billed Gull, though may overlap in size greatly with both.

Edited by Colorado Parks and Wildlife, some rights reserved (CC BY-SA)