Wildlife of Boyd Lake State Park

Boyd Lake State Park is located on the eastern edge of the City of Loveland and consists of about 259 acres of land along the western shore of the lake and the lake itself.
It is a popular recreation destination, especially for people from the northern Front Range and the Denver ...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 ↓

Boreal Chorus Frog

The boreal chorus frog (Pseudacris maculata) is a species of chorus frog native to Canada from the west of Lake Superior to western Alberta and north to the Northwest Territories. It occurs in the USA throughout Montana, northwestern Wisconsin, northeastern Arizona, northern New Mexico, and southwestern Utah.

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.

Six-lined Racerunner

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

Western Terrestrial Garter Snake

The western terrestrial garter snake (Thamnophis elegans) is a western North American species of colubrid snake. Seven subspecies are currently recognized.

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 ↓

Common 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 ↓

Racer

Coluber constrictor is a species of nonvenomous, colubrid snake, endemic to North America and Central America. Eleven subspecies, including the nominotypical subspecies, are recognized, which as a group are commonly referred to as the eastern racers.

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 ↓

Western Rattlesnake

Crotalus oreganus is a venomous pit viper species found in North America in the western United States, parts of British Columbia, and northwestern Mexico. Seven subspecies are currently recognized, including the nominate subspecies described here.

Prairie Rattlesnake

Crotalus viridis 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.

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 ↓

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 ↓

Opossum

The Virginia opossum (Didelphis virginiana), commonly known as the North American opossum, is the only marsupial found in North America north of Mexico. In the United States it is typically referred to simply as a possum. A solitary and nocturnal animal about the size of a domestic cat, and thus the largest opossum, it is a successful opportunist. It is familiar to ...more ↓

Desert Cottontail

The desert cottontail (Sylvilagus audubonii), also known as Audubon's cottontail, is a New World cottontail rabbit; a member of the family Leporidae.

Eastern Cottontail

The eastern cottontail (Sylvilagus floridanus) is a New World cottontail rabbit, a member of the family Leporidae. It is one of the most common rabbit species in North America.

Black-tailed Jackrabbit

The black-tailed jackrabbit (Lepus californicus), also known as the American desert hare, is a common hare of the western United States and Mexico, where it is found at elevations from sea level to up to 10,000 feet (3,000 m). Reaching a length of about 2 feet (61 cm), and a weight from 3 to 6 pounds (1.4 to 2.7 kg), the black-tailed jackrabbit is the third largest North ...more ↓

Fox Squirrel

The fox squirrel (Sciurus niger), also known as the eastern fox squirrel or Bryant's fox squirrel, is the largest species of tree squirrel native to North America. Despite the differences in size and coloration, they are sometimes mistaken for American red squirrels or eastern gray squirrels in areas where the species co-exist.

Rock Squirrel

The rock squirrel (Otospermophilus variegatus) is a species of rodent in the family Sciuridae. It is found in Mexico and the United States. It is 43–53 cm (17–21 in) long.

thirteen-lined ground squirrel

The thirteen-lined ground squirrel (Ictidomys tridecemlineatus), also known as the striped gopher, leopard ground squirrel, squinney, and as the leopard-spermophile in Audubon’s day, is a ground squirrel. It is widely distributed over grasslands and prairies of North America.

Black-tailed Prairie Dog

The black-tailed prairie dog (Cynomys ludovicianus), is a rodent of the family Sciuridae found in the Great Plains of North America from about the USA-Canada border to the USA-Mexico border. Unlike some other prairie dogs, these animals do not truly hibernate. The black-tailed prairie dog can be seen above ground in midwinter. A black-tailed prairie dog town in Texas was ...more ↓

American Beaver

The North American beaver (Castor canadensis) is one of two extant beaver species. It is native to North America and introduced to Patagonia in South America and some European countries (e.g. Norway). In the United States and Canada, the species is often referred to simply as "beaver", though this causes some confusion because another distantly related rodent, Aplodontia ...more ↓

Plains Pocket Gopher

The plains pocket gopher (Geomys bursarius) is one of thirty-five species of pocket gopher, so named in reference to their externally located, fur-lined cheek pouches. They are burrowing animals, found in grasslands and agricultural land across the Great Plains of North America, from Manitoba to Texas. Pocket gophers are the most highly fossorial rodents found in North ...more ↓

Hispid Pocket Mouse

The hispid pocket mouse (Chaetodipus hispidus) is a large pocket mouse native to the Great Plains region of North America. It is a member of the genus Chaetodipus.

Ord's Kangaroo Rat

Ord's kangaroo rat, Dipodomys ordii, is a kangaroo rat native to western North America, specifically the Great Plains and the Great Basin, with its range extending from extreme southern Canada to central Mexico.

North American Porcupine

The North American porcupine (Erethizon dorsatum), also known as the Canadian porcupine or common porcupine, is a large rodent in the New World porcupine family. The beaver is the only larger rodent in North America. The porcupine is a caviomorph rodent whose ancestors rafted across the Atlantic from Africa to Brazil over 30 million years ago, and then migrated to ...more ↓

Brown Rat

The brown rat, common rat, street rat, sewer rat, Hanover rat, Norway rat, brown Norway rat, Norwegian rat, wharf rat (Rattus norvegicus), or hood rat is one of the best known and most common rats.

House Mouse

The house mouse (Mus musculus) is a small mammal of the order Rodentia, characteristically having a pointed snout, small rounded ears, and a long naked or almost hairless tail. It is one of the most numerous species of the genus Mus. Although a wild animal, the house mouse mainly lives in association with humans.

Muskrat

The muskrat (Ondatra zibethicus), the only species in genus Ondatra and tribe Ondatrini, is a medium-sized semiaquatic rodent native to North America, and introduced in parts of Europe, Asia, and South America. The muskrat is found in wetlands over a wide range of climates and habitats. It has important effects on the ecology of wetlands and is a ...more ↓

Prairie Vole

The prairie vole (Microtus ochrogaster) is a small vole found in central North America.

Meadow Vole

The meadow vole (Microtus pennsylvanicus), sometimes called the field mouse or meadow mouse, is a North American vole found across Canada, Alaska and the northern United States. Its range extends further south along the Atlantic coast. One subspecies, the Florida salt marsh vole (M. p. dukecampbelli), is found in Florida, and is classified as endangered. It is also found ...more ↓

Deer Mouse

Peromyscus maniculatus is a rodent native to North America. It is most commonly called the deer mouse, although that name is common to most species of Peromyscus, and thus is often called the North American deermouse and is fairly widespread across the continent, with the major exception being the southeast United States and the far north.

Western Harvest Mouse

The western harvest mouse (Reithrodontomys megalotis) is a small neotomine mouse native to southwest British Columbia, most of the western United States extending continuously to west Texas, northeast Arkansas, northwest Indiana, southwest Wisconsin, the interior of Mexico to Oaxaca. Many authorities consider the endangered Salt Marsh Harvest Mouse to be a subspecies, but the ...more ↓

northern grasshopper mouse

The northern grasshopper mouse, or killer mouse (Onychomys leucogaster), is a North American carnivorous rodent originating from the dry areas of the continent.

Mexican Woodrat

The Mexican woodrat (Neotoma mexicana) is a medium-sized rat occurring in the United States from Utah and Colorado south through New Mexico and parts of Arizona and Trans-Pecos Texas. Its range continues south in the highlands to Honduras. Although occurring at lower elevations during the Pleistocene, it generally is limited now to highlands supporting open coniferous ...more ↓

Meadow Jumping Mouse

The meadow jumping mouse (Zapus hudsonius) is the most widely distributed mouse in the subfamily Zapodinae. Its range extends from the Atlantic coast in the east to the Great Plains west, and from the arctic tree lines in Canada and Alaska to the north, and Georgia, Alabama, Arizona, and New Mexico to the south. In mid-2014, the New Mexico subspecies of the meadow jumping mouse, ...more ↓

Mule Deer

The mule deer (Odocoileus hemionus) is a deer indigenous to western North America; it is named for its ears, which are large like those of the mule. There are believed to be several subspecies, including the black-tailed deer. However, some genetic studies have indicated that mule deer may have developed relatively recently through the interbreeding of white-tailed and ...more ↓

Elk

The elk or wapiti (Cervus canadensis) is one of the largest species of the Cervidae or deer family in the world, and one of the largest land mammals in North America and eastern Asia. It was long believed to be a subspecies of the European red deer (Cervus elaphus), but evidence from a 2004 study of the mitochondrial DNA indicates that the two are distinct ...more ↓

Big Brown Bat

The big brown bat (Eptesicus fuscus) is native to North America, Central America, the Caribbean, and extreme northern South America.

Silver-haired Bat

The silver-haired bat (Lasionycteris noctivagans) is a solitary migratory species of vesper bat in the family Vespertilionidae and the only member of the genus Lasionycteris.

Eastern Red Bat

The eastern red bat (Lasiurus borealis) is a species of bat from the family Vespertilionidae. See also the desert red bat (Lasiurus blossevillii), a related species.

Hoary Bat

The hoary bat (Lasiurus cinereus) is a species of bat in the vesper bat family, Vespertilionidae. It occurs throughout most of North America and much of South America, with disjunct populations in the Galápagos Islands and Hawaii.

Townsend's big-eared bat

Townsend's big-eared bat (Corynorhinus townsendii) is a species of vesper bat.

Western Small-footed Myotis

The western small-footed bat (Myotis ciliolabrum), also known as the western small-footed myotis, is a species of vesper bat in the Vespertilionidae family.

Miller's Myotis

The long-eared myotis (Myotis evotis) is a species of vesper bat. It can be found in western Canada, the western United States, and Baja California in Mexico.

Little Brown Bat

The little brown bat (sometimes called little brown myotis) (Myotis lucifugus) is a species of the genus Myotis (mouse-eared bats), one of the most common bats of North America. The little brown bat has been a model organism for studying bats.

Fringed Myotis

The fringed myotis (Myotis thysanodes) is a species of vesper bat that is found in British Columbia in Canada, Mexico, and the western United States.

Long-legged Myotis

The long-legged myotis (Myotis volans) is a species of vesper bat that can be found in western Canada, Mexico, and the western United States.

Common Raccoon

The raccoon (i/ræˈkuːn/, Procyon lotor), sometimes spelled racoon, also known as the common raccoon,North American raccoon,northern raccoon and colloquially as coon, is a medium-sized mammal native to North America. The raccoon is the largest of the procyonid family, having a body length of 40 to 70 cm (16 to 28 in) and a body weight of ...more ↓

Striped Skunk

The striped skunk (Mephitis mephitis) is an omnivorous mammal of the skunk family Mephitidae. Found north of Mexico, it is one of the best-known mammals in Canada and the United States.

Bobcat

The bobcat (Lynx rufus) is a North American mammal of the cat family Felidae, appearing during the Irvingtonian stage of around 1.8 million years ago (AEO). With 12 recognized subspecies, it ranges from southern Canada to northern Mexico, including most of the continental United States. The bobcat is an adaptable predator that inhabits wooded areas, as well as semidesert, urban ...more ↓

Coyote

The coyote (US /kaɪˈoʊtiː/ or /ˈkaɪ.oʊt/, UK /kɔɪˈjoʊteɪ/, or /kɔɪˈjoʊt/;Canis latrans), also known as the American jackal, brush wolf, or the prairie wolf, is a species of canine found throughout North and Central America, ranging from Panama in the south, north through Mexico, the United States, and Canada. It occurs as far north as Alaska and all but the ...more ↓

Red Fox

The red fox, Vulpes vulpes, is the largest of the true foxes and the most abundant wild member of the Carnivora, being present across the entire Northern Hemisphere from the Arctic Circle to North Africa, North America and Eurasia. It is listed as least concern by the IUCN. Its range has increased alongside human expansion, having been introduced to Australia, where it is ...more ↓

North American Least Shrew

The North American least shrew (Cryptotis parva) is one of the smallest mammals, growing to be only up to 3 inches long. The North American least shrew has a long pointed snout and a tail never more than twice the length of its hind foot. It has a dense fur coat that is either grayish-brown or reddish-brown with a white belly. Its fur becomes lighter in the summer and darker in ...more ↓

North American Least Shrew

The North American least shrew (Cryptotis parva) is one of the smallest mammals, growing to be only up to 3 inches long. The North American least shrew has a long pointed snout and a tail never more than twice the length of its hind foot. It has a dense fur coat that is either grayish-brown or reddish-brown with a white belly. Its fur becomes lighter in the summer and darker in ...more ↓

Masked Shrew

The cinereus shrew or masked shrew (Sorex cinereus) is a small shrew found in Alaska, Canada and the northern United States. This is the most widely distributed shrew in North America, where it is also known as the common shrew.

Merriam's Shrew

Merriam's shrew (Sorex merriami) is a species of mammal in the family Soricidae. It is endemic to the western United States and southern British Columbia in Canada.

Smallmouth Bass

The smallmouth bass (Micropterus dolomieu) is a species of freshwater fish in the sunfish family (Centrarchidae) of the order Perciformes. It is the type species of its genus. One of the black basses, it is a popular game fish sought by anglers throughout the temperate zones of North America, and has been spread by stock to many cool-water tributaries and lakes in Canada and ...more ↓

Largemouth Bass

The largemouth bass (Micropterus salmoides) is a freshwater gamefish in the sunfish family, a species of black bass native to North America. It is also known by a variety of regional names, such as the brown bass, widemouth bass, bigmouth bass, black bass, bucketmouth, Potter's fish, Florida bass, Florida largemouth, green bass, green trout, gilsdorf bass, linesides, Oswego ...more ↓

Green Sunfish

The green sunfish (Lepomis cyanellus) is a species of freshwater fish in the sunfish family (family Centrarchidae) of order Perciformes. A panfish popular with anglers, the green sunfish is also kept as an aquarium fish by hobbyists. They are usually caught by accident, while fishing for other game fish. Green sunfish can be caught with live bait such as nightcrawlers, waxworms, ...more ↓

Pumpkinseed

The pumpkinseed sunfish (Lepomis gibbosus) is a freshwater fish of the sunfish family (Centrarchidae) of order Perciformes. It is also referred to as "pond perch", "common sunfish", "punkys","sunfish" and "sunny".

Bluegill

The bluegill (Lepomis macrochirus) is a species of freshwater fish sometimes referred to as bream, brim, or copper nose. It is a member of the sunfish family Centrarchidae of the order Perciformes. Lepomis, in Greek, means "scaled gill cover" and macrochirus means large hand, which may be a reference to its body shape. A defining characteristic of the bluegill is ...more ↓

White Crappie

The white crappie (Pomoxis annularis), is a freshwater fish found in North America, one of the two crappies. Former common names include goldring and silver perch. The USS Goldring is named for the fish.

Black Crappie

The black crappie (Pomoxis nigromaculatus) is a freshwater fish found in North America, one of the two crappies. It is very similar to the white crappie in size, shape, and habits, except that it is darker, with a pattern of black spots.

Walleye

Walleye (Sander vitreus, formerly Stizostedion vitreum) is a freshwater perciform fish native to most of Canada and to the northern United States. It is a North American close relative of the European pikeperch. The walleye is sometimes called the yellow walleye to distinguish it from the blue walleye, which is a subspecies that can be found in the southern Ontario ...more ↓

Yellow Perch

The yellow perch (Perca flavescens), commonly referred to as perch, is a freshwater perciform fish native to much of North America. The yellow perch was described in 1814 by Samuel Latham Mitchill from New York. Yellow perch are closely related, and morphologically similar to the European perch (Perca fluviatilis); however, the two are recognized as independent ...more ↓

White Bass

The white bass or sand bass (Morone chrysops) is a freshwater fish of the temperate bass family Moronidae. It is the state fish of Oklahoma.

Brown Trout

The brown trout (Salmo trutta) is a European species of salmonid fish that has been widely introduced into suitable environments globally. It includes both purely freshwater populations, referred to Salmo trutta morpha fario and S. trutta morpha lacustris, and anadromous forms known as the sea trout, S. trutta morpha trutta. The ...more ↓

Rainbow Trout

The rainbow trout (Oncorhynchus mykiss) is a species of salmonid native to cold-water tributaries of the Pacific Ocean in Asia and North America. The steelhead is an anadromous (sea-run) form of the Coastal rainbow trout (Oncorhynchus mykiss irideus) or redband trout (Oncorhynchus mykiss gairdneri) that usually returns to freshwater to spawn after living two ...more ↓

Black Bullhead

The black bullhead (Ameiurus melas) is a species of bullhead catfish. Like other bullhead catfish, it has the ability to thrive in waters that are low in oxygen, brackish, turbid and/or very warm. It also has barbels located near its mouth, a broad head, spiny fins and no scales. It can be identified from other bullheads as the barbels are black, and it has a tan crescent around ...more ↓

Channel Catfish

Channel catfish, Ictalurus punctatus, is North America's most numerous catfish species. It is the official fish of Missouri, Iowa, Nebraska, Kansas, and Tennessee, and is informally referred to as a "channel cat". In the United States, they are the most fished catfish species with approximately 8 million anglers targeting them per year. The popularity of channel catfish ...more ↓

Emerald shiner

The Emerald Shiner (Notropis atherinoides) is one of hundreds of small, silvery, slender fish species known as shiners. The identifying characteristic of the emerald shiner is the silvery emerald color on its sides. It can grow to 3.5 inches in length and is found across North America from Canada to the Gulf of Mexico, commonly in large, deep lakes and rivers, though sometimes ...more ↓

Fathead Minnow

The fathead minnow (Pimephales promelas), is a species of temperate freshwater fish belonging to the Pimephales genus of the cyprinid family. The natural geographic range extends throughout much of North America, from central Canada south along the Rockies to Texas, and east to Virginia and the Northeastern United States. This minnow has also been introduced to many other ...more ↓

Golden Shiner

The golden shiner (Notemigonus crysoleucas) is a cyprinid fish native to eastern North America. It is the sole member of its genus. Much used as a bait fish, it is probably the most widely pond-cultured fish in the United States. It can be found in Quebec and its French name is "Mené jaune" or "Chatte de l'Est".

European Carp

The common carp (Cyprinus carpio) is a widespread freshwater fish of eutrophic waters in lakes and large rivers in Europe and Asia. The wild populations are considered vulnerable to extinction, but the species has also been domesticated and introduced into environments worldwide, and is often considered a very destructive invasive species, being included in the List of the ...more ↓

white sucker

The white sucker (Catostomus commersonii) is a freshwater Cypriniform fish inhabiting the upper Midwest and Northeast in North America, but is also found as far south as Georgia and New Mexico in the south. The fish is commonly known as a "sucker" due to its fleshy papillose lips that suck up organic matter from the bottom of rivers and streams.

American Gizzard Shad

The American gizzard shad, Dorosoma cepedianum, is a fish of the herring family Clupeidae native to fresh and salt waters of eastern North America.

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