Places National ParksGateway Arch

Wildlife in Gateway Arch National Park

Here’s what naturalists are spotting in Gateway Arch right now - pulled live from recent research-grade observations. Browse by group, explore the map, and identify what you find with Huck.

2,700
recent observations
30
species listed
24
birds
4
insects & arthropods
2
mammals

Naturalists have logged 2,700 research-grade observations across the 30 most-recorded species in Gateway Arch. The most frequently seen is the American Robin, with 297 recorded sightings.

Birds account for the largest share of what gets recorded there (24 of the species listed here), followed by insects & arthropods (4).

🖨️ Printable wildlife checklist

Most-observed species in Gateway Arch

American Robin
Turdus migratorius
297 observations
White-throated Sparrow
Zonotrichia albicollis
276 observations
Ovenbird
Seiurus aurocapilla
254 observations
Tennessee Warbler
Leiothlypis peregrina
136 observations
Common Yellowthroat
Geothlypis trichas
122 observations
Canada Goose
Branta canadensis
119 observations
Western Honey Bee
Apis mellifera
117 observations
Eastern Gray Squirrel
Sciurus carolinensis
115 observations
Red-winged Blackbird
Agelaius phoeniceus
114 observations
Rock Pigeon
Columba livia
100 observations
Indigo Bunting
Passerina cyanea
92 observations
Mallard
Anas platyrhynchos
71 observations
Northern Waterthrush
Parkesia noveboracensis
71 observations
House Sparrow
Passer domesticus
66 observations
Mourning Dove
Zenaida macroura
56 observations
Black-and-white Warbler
Mniotilta varia
56 observations
European Starling
Sturnus vulgaris
56 observations
Northern Cardinal
Cardinalis cardinalis
53 observations
Yellow-bellied Sapsucker
Sphyrapicus varius
53 observations
Asian Lady Beetle
Harmonia axyridis
53 observations
Swamp Sparrow
Melospiza georgiana
51 observations
Monarch
Danaus plexippus
48 observations
Nashville Warbler
Leiothlypis ruficapilla
48 observations
Common Grackle
Quiscalus quiscula
47 observations
Gray Catbird
Dumetella carolinensis
43 observations
Common Eastern Bumble Bee
Bombus impatiens
40 observations
Eastern Cottontail
Sylvilagus floridanus
39 observations
Ruby-throated Hummingbird
Archilochus colubris
38 observations
House Finch
Haemorhous mexicanus
35 observations
Magnolia Warbler
Setophaga magnolia
34 observations

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