Photos / Sounds

What

Prothonotary Warbler (Protonotaria citrea)

Observer

leptim

Date

April 6, 2024 03:04 PM MDT

Photos / Sounds

What

Spined Woodborer (Trichocnemis spiculatus)

Observer

vantruan

Date

July 20, 2019 11:02 PM MDT

Photos / Sounds

What

Blackback Land Crab (Gecarcinus lateralis)

Observer

rdpost

Date

January 9, 2024 08:24 AM AST

Photos / Sounds

What

Black Swallowtail (Papilio polyxenes)

Observer

vantruan

Date

July 7, 2019 09:46 PM MDT

Photos / Sounds

What

Peacock Fly (Callopistromyia annulipes)

Observer

vantruan

Date

July 17, 2014 10:31 PM MDT

Photos / Sounds

What

Yellow-throated Warbler (Setophaga dominica)

Observer

richardlb

Date

November 21, 2023 12:35 PM MST

Description

yellow-lored

Photos / Sounds

What

Yellow-throated Warbler (Setophaga dominica)

Date

November 21, 2023 12:26 PM MST

Photos / Sounds

What

Band-tailed Pigeon (Patagioenas fasciata)

Observer

richardlb

Date

June 30, 2023 06:55 AM MDT

Photos / Sounds

What

Painted Redstart (Myioborus pictus)

Observer

vantruan

Date

May 4, 2022 07:55 AM MST

Photos / Sounds

Observer

calebcam

Date

June 2023

Description

adult female

Photos / Sounds

What

Short-lined Chocolate (Argyrostrotis anilis)

Observer

vantruan

Date

July 30, 2023 10:28 PM MDT

Photos / Sounds

What

Peachtree Borer Moth (Synanthedon exitiosa)

Observer

vantruan

Date

July 27, 2023 10:37 PM MDT

Photos / Sounds

What

Golden Jumping Spider (Paraphidippus aurantius)

Observer

leptim

Date

July 20, 2023 10:34 AM MDT

Photos / Sounds

What

Peacock Fly (Callopistromyia annulipes)

Observer

leptim

Date

July 6, 2023 11:14 AM MDT

Photos / Sounds

What

Margined Calligrapher (Toxomerus marginatus)

Observer

leptim

Date

June 14, 2023 03:38 PM MDT

Photos / Sounds

Observer

vantruan

Date

July 29, 2016 08:27 PM MDT

Description

Maybe?

Photos / Sounds

What

Long-necked Ground Beetle (Colliuris pensylvanica)

Observer

vantruan

Date

May 7, 2022 12:28 AM MDT

Photos / Sounds

Observer

tonnessen

Date

February 9, 2023 08:31 AM CST

Photos / Sounds

What

Rufous Motmot (Baryphthengus martii)

Observer

richardlb

Date

May 29, 2016 06:34 AM EST

Photos / Sounds

What

Thick-billed Euphonia (Euphonia laniirostris)

Observer

richardlb

Date

May 28, 2016 10:02 AM EST

Photos / Sounds

Observer

pam-piombino

Date

January 8, 2020 07:23 PM +07

Photos / Sounds

What

Mexican Sailor (Dynamine postverta ssp. mexicana)

Observer

tonnessen

Date

January 24, 2023 03:46 PM CST

Photos / Sounds

Observer

vantruan

Date

September 18, 2020 09:25 PM MDT

Photos / Sounds

What

Short-billed Gull (Larus brachyrhynchus)

Observer

vantruan

Date

January 12, 2023 03:39 PM MST

Photos / Sounds

What

Great Black-backed Gull (Larus marinus)

Observer

vantruan

Date

January 12, 2023 03:37 PM MST

Photos / Sounds

What

Bohemian Waxwing (Bombycilla garrulus)

Observer

richardlb

Date

January 12, 2023 11:23 AM MST

Description

3 BOWA with 4 CEWA

Photos / Sounds

What

Wilson's Snipe (Gallinago delicata)

Observer

richardlb

Date

December 20, 2022 10:33 AM MST

Photos / Sounds

What

Lychee Shield Bug (Chrysocoris stollii)

Observer

pam-piombino

Date

December 18, 2022 11:46 AM +07

Photos / Sounds

What

Blue-winged Mountain-Tanager (Anisognathus somptuosus)

Observer

rdpost

Date

November 25, 2022 12:00 PM -05

Photos / Sounds

What

Red-headed Barbet (Eubucco bourcierii)

Observer

rdpost

Date

November 25, 2022 12:33 PM -05

Photos / Sounds

What

Common Snakeflies (Genus Agulla)

Observer

vantruan

Date

May 14, 2017 04:03 PM MDT

Photos / Sounds

What

Ross's Goose (Anser rossii)

Observer

vantruan

Date

November 12, 2022 02:56 PM MST

Photos / Sounds

What

Bohemian Waxwing (Bombycilla garrulus)

Date

December 9, 2022

Photos / Sounds

What

Winter Wren (Troglodytes hiemalis)

Date

December 4, 2022 01:36 PM MST

Photos / Sounds

What

Red-headed Barbet (Eubucco bourcierii)

Observer

rdpost

Date

November 24, 2022 04:15 PM -05

Photos / Sounds

What

Tundra Swan (Cygnus columbianus)

Observer

vantruan

Date

November 12, 2022 10:20 AM MST

Description

yellow on bills noted

Photos / Sounds

What

Purple Sandpiper (Calidris maritima)

Observer

vantruan

Date

October 7, 2022 12:43 PM MDT

Photos / Sounds

Observer

bug_eric

Date

November 2, 2022 03:41 PM CDT

Description

Emerged from an abandoned Polistes metricus nest. May have parasitized caterpillars of the Sooty-winged Chalcoela, Chalcoela iphitalis, which is a parasitoid of Polistes spp.

Photos / Sounds

What

Nelson's Sparrow (Ammospiza nelsoni)

Date

October 20, 2012

Photos / Sounds

What

Golden-winged Warbler (Vermivora chrysoptera)

Date

May 5, 2016

Photos / Sounds

Observer

vantruan

Date

April 8, 2022 11:03 PM MDT

Photos / Sounds

What

Carolina Wolf Spider (Hogna carolinensis)

Observer

mountaintopjoey

Date

September 4, 2022 09:54 AM MDT

Photos / Sounds

What

Tamarix Leafhopper (Opsius stactogalus)

Observer

vantruan

Date

July 31, 2022 10:11 PM MDT

Photos / Sounds

What

Sword-billed Hummingbird (Ensifera ensifera)

Observer

rdpost

Date

July 30, 2022 09:45 AM -05

Photos / Sounds

What

Leafy Spurge Hawkmoth (Hyles euphorbiae)

Observer

heidi_eaton

Date

July 27, 2022 12:05 AM CDT

Photos / Sounds

Observer

romalu1

Date

July 23, 2022 09:39 PM MDT

Photos / Sounds

What

Gila Woodpecker (Melanerpes uropygialis)

Observer

richardlb

Date

July 21, 2022 09:01 AM MST

Photos / Sounds

What

Black-dotted Glyph (Maliattha synochitis)

Observer

vantruan

Date

June 27, 2022

Photos / Sounds

What

Common Asparagus Beetle (Crioceris asparagi)

Observer

romalu1

Date

June 22, 2022 10:08 AM MDT

Photos / Sounds

What

Red-bellied Clerid (Enoclerus sphegeus)

Observer

leptim

Date

June 24, 2022 11:18 AM MDT

Photos / Sounds

Observer

calebcam

Date

June 2022

Photos / Sounds

What

White-bellied Woodstar (Chaetocercus mulsant)

Observer

rdpost

Date

April 9, 2022 12:57 PM MST

Photos / Sounds

What

Yellow-backed Oriole (Icterus chrysater)

Observer

rdpost

Date

April 9, 2022 09:58 AM MST

Photos / Sounds

What

Bilobed Looper Moth (Megalographa biloba)

Observer

leptim

Date

June 18, 2022 07:25 AM MDT

Photos / Sounds

What

Milkweed Stem Weevil (Rhyssomatus lineaticollis)

Observer

leptim

Date

June 18, 2022 06:59 AM MDT

Photos / Sounds

What

Crimson Saltflat Tiger Beetle (Cicindela fulgida)

Observer

romalu1

Date

June 18, 2022 10:21 AM MDT

Photos / Sounds

Observer

romalu1

Date

June 18, 2022 09:05 AM MDT

Photos / Sounds

What

Spotted Asparagus Beetle (Crioceris duodecimpunctata)

Observer

romalu1

Date

June 18, 2022 09:03 AM MDT

Photos / Sounds

What

Glover's Silkmoth (Hyalophora gloveri)

Observer

romalu1

Date

May 1, 2022 12:52 PM MDT

Photos / Sounds

What

Northern Cardinal (Cardinalis cardinalis)

Observer

vantruan

Date

April 16, 2022 05:14 PM MDT

Description

Three males and two females

Photos / Sounds

What

Roseate Spoonbill (Platalea ajaja)

Observer

richardlb

Date

March 4, 2022 09:57 AM MST

Photos / Sounds

What

Eared Dove (Zenaida auriculata)

Observer

rdpost

Date

February 27, 2022 10:16 AM -05

Photos / Sounds

What

Sparkling Violetear (Colibri coruscans)

Observer

rdpost

Date

February 27, 2022 12:22 PM -05

Photos / Sounds

What

Black-legged Kittiwake (Rissa tridactyla)

Observer

vantruan

Date

December 1, 2021 04:55 PM MST

Photos / Sounds

What

Cape May Warbler (Setophaga tigrina)

Observer

vantruan

Date

December 1, 2021 03:47 PM MST

Photos / Sounds

What

Herald Moth (Scoliopteryx libatrix)

Observer

vantruan

Date

May 1, 2020 08:55 PM MDT

Photos / Sounds

What

Rosy-faced Lovebird (Agapornis roseicollis)

Observer

richardlb

Date

November 5, 2021 08:26 AM MDT

Photos / Sounds

What

American Snout (Libytheana carinenta)

Observer

romalu1

Date

October 30, 2021 01:51 PM MDT

Photos / Sounds

Observer

pam-piombino

Date

July 9, 2021 02:19 PM MDT

Place

SMR (Google, OSM)

Photos / Sounds

What

Ebony Jewelwing (Calopteryx maculata)

Observer

bug_eric

Date

June 21, 2021 01:36 PM MDT

Description

With Heidi Eaton, so some duplicate observations.

Photos / Sounds

What

American Black Bear (Ursus americanus)

Observer

leptim

Date

July 13, 2021 07:28 AM MDT

Photos / Sounds

What

Ailanthus Webworm Moth (Atteva aurea)

Observer

heidi_eaton

Date

June 24, 2021 03:50 PM HST

Photos / Sounds

What

American Badger (Taxidea taxus)

Observer

pam-piombino

Date

June 22, 2021 03:53 PM MDT

Description

Juvenile, more curious than afraid.

Photos / Sounds

What

Modest Furcula Moth (Furcula modesta)

Observer

vantruan

Date

June 19, 2021 12:35 AM MDT

Photos / Sounds

What

Great Egret (Ardea alba)

Observer

bug_eric

Date

May 29, 2021 12:19 PM MDT

Photos / Sounds

What

Golden Silk Spider (Trichonephila clavipes)

Observer

rdpost

Date

June 7, 2021 12:36 PM EDT

Photos / Sounds

What

Buckwheat Root Borer Moth (Synanthedon polygoni)

Observer

leptim

Date

June 5, 2021 01:57 PM MDT

Photos / Sounds

What

Yellow Grosbeak (Pheucticus chrysopeplus)

Observer

vantruan

Date

May 28, 2021 03:01 PM MDT

Description

Colorado's 1st State Record first seen by land owner earlier and we shot down to see it.

Photos / Sounds

What

North American Common Gray (Anavitrinella pampinaria)

Observer

vantruan

Date

May 9, 2021 12:15 AM MDT

Photos / Sounds

What

Rusty Blackbird (Euphagus carolinus)

Observer

richardlb

Date

December 6, 2018 03:53 PM MST

Photos / Sounds

What

American Goshawk (Accipiter atricapillus)

Observer

heidi_eaton

Date

January 17, 2021 12:24 PM HST

Photos / Sounds

What

Bay-breasted Warbler (Setophaga castanea)

Observer

bug_eric

Date

November 22, 2020 12:16 PM MST

Description

Observed by numerous other birders at this exact location.

Photos / Sounds

What

Common Black Hawk (Buteogallus anthracinus)

Observer

rdpost

Date

September 15, 2020 04:46 PM MDT

Description

Juvenile out of range (well north), but seen by MANY birders at this location over the last few days.

Photos / Sounds

What

American Goshawk (Accipiter atricapillus)

Observer

rdpost

Date

January 15, 2021 08:09 AM MST

Photos / Sounds

What

Northern Pygmy-Owl (Glaucidium gnoma)

Observer

vantruan

Date

December 21, 2020 11:35 AM MST

Photos / Sounds

What

Varied Thrush (Ixoreus naevius)

Observer

rdpost

Date

November 16, 2020 03:01 PM MST

Photos / Sounds

What

European Golden Plover (Pluvialis apricaria)

Observer

vantruan

Date

October 4, 2020 03:51 PM MDT

Photos / Sounds

What

Greater Roadrunner (Geococcyx californianus)

Observer

vontos

Date

August 18, 2020 08:41 AM MDT

Photos / Sounds

Observer

vantruan

Date

August 16, 2020 11:53 AM MDT

Description

Found by Lee Truan

Photos / Sounds

What

Upland Sandpiper (Bartramia longicauda)

Observer

vantruan

Date

May 27, 1990

Photos / Sounds

What

Common Snapping Turtle (Chelydra serpentina)

Observer

leptim

Date

August 1, 2020 11:02 AM MDT

Photos / Sounds

Observer

leptim

Date

August 1, 2020 08:25 AM MDT

Photos / Sounds

What

Police Car Moth (Gnophaela vermiculata)

Observer

vantruan

Date

July 18, 2020 05:10 PM MDT

Photos / Sounds

Observer

vantruan

Date

July 18, 2020 10:28 PM MDT

Photos / Sounds

What

Reversed Haploa Moth (Haploa reversa)

Observer

vantruan

Date

July 10, 2020 11:29 PM MDT

Photos / Sounds

What

Dark-ribboned Wave Moth (Leptostales rubromarginaria)

Observer

vantruan

Date

June 20, 2020 09:04 PM MDT

Photos / Sounds

What

Argus Tortoise Beetle (Chelymorpha cassidea)

Observer

leptim

Date

June 26, 2020 10:46 AM MDT

Photos / Sounds

What

Queen (Danaus gilippus)

Observer

romalu1

Date

May 29, 2020 12:20 PM MDT

Description

Female, observed laying eggs. Earliest Colorado record here by 3 weeks.

Photos / Sounds

Observer

vantruan

Date

August 27, 2012 07:35 PM MDT

Photos / Sounds

What

Blue-winged Warbler (Vermivora cyanoptera)

Observer

heidi_eaton

Date

May 14, 2020 10:32 AM HST