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Norman Erthal
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Winter Wren
Troglodytes hiemalis
Reportar
Norman Erthal
31 ene 2024
Wheat Ridge Greenbelt--Bass Lake Wildlife Trail, Jefferson, Colorado, United States
ML614355020
Pacific Wren
Troglodytes pacificus
Reportar
Norman Erthal
1 feb 2024
Grey Rock Trail, Larimer, Colorado, United States
ML614354967
Western Cattle Egret
Bubulcus ibis
Reportar
calificación 1
2 calificaciones
Norman Erthal
5 sept 2023
985 86th Parkway, Westminster, Colorado, US (39.857, -105.11), Jefferson, Colorado, United States
ML608523847
Winter Wren
Troglodytes hiemalis
Reportar
Norman Erthal
26 nov 2022
Ralston Creek--Maple Valley Park, Jefferson, Colorado, United States
ML508224271
Pine Warbler
Setophaga pinus
Reportar
calificación 1
6 calificaciones
Norman Erthal
26 ene 2022
Fort Logan Cemetery, Denver, Colorado, United States
ML409952481
Pine Warbler
Setophaga pinus
Reportar
calificación 2
4 calificaciones
Norman Erthal
26 ene 2022
Fort Logan Cemetery, Denver, Colorado, United States
ML409952401
Pine Warbler
Setophaga pinus
Reportar
calificación 2
3 calificaciones
Norman Erthal
26 ene 2022
Fort Logan Cemetery, Denver, Colorado, United States
ML409949411
Solitary Sandpiper
Tringa solitaria
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Norman Erthal
19 ago 2021
Bard Creek Ponds (private, view from road), Clear Creek, Colorado, United States
ML362496951
American White Pelican
Pelecanus erythrorhynchos
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Norman Erthal
22 abr 2021
Dillon Reservoir--Soda Creek Inlet, Summit, Colorado, United States
ML348993811
Yellow-headed Blackbird
Xanthocephalus xanthocephalus
Reportar
calificación 5
1 calificación
Norman Erthal
22 abr 2021
Cattail Marsh On Colorado 9, Silverthorne, Colorado, US (39.695, -106.106), Summit, Colorado, United States
ML348993451
Chestnut-sided Warbler
Setophaga pensylvanica
Reportar
Norman Erthal
22 may 2021
Thompson Ranch (Lincoln Co; private), Lincoln, Colorado, United States
ML348992501
White-faced Ibis
Plegadis chihi
Reportar
Norman Erthal
16 jun 2021
Central City Reservoir, Gilpin, Colorado, United States
ML348424661
Chestnut-sided Warbler
Setophaga pensylvanica
Reportar
calificación 2
1 calificación
Norman Erthal
31 may 2020
Wheat Ridge Greenbelt--West 41st Ave. entrance, Jefferson, Colorado, United States
ML240160641
American Goshawk
Accipiter atricapillus
Reportar
calificación 4
2 calificaciones
Norman Erthal
20 feb 2020
Elizabeth (town), Elbert, Colorado, United States
ML210642271
Red Crossbill
Loxia curvirostra
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calificación 2
1 calificación
Norman Erthal
25 oct 2019
Thompson Ranch (Lincoln Co; private), Lincoln, Colorado, United States
ML191123381
Eastern Bluebird
Sialia sialis
Reportar
calificación 2
1 calificación
Norman Erthal
25 oct 2019
County Road 2G, Hugo, Colorado, US (38.937, -103.332), Lincoln, Colorado, United States
ML191122221
Eastern Bluebird
Sialia sialis
Reportar
calificación 3
1 calificación
Norman Erthal
25 oct 2019
County Road 2G, Hugo, Colorado, US (38.937, -103.332), Lincoln, Colorado, United States
ML191122181
Dusky Grouse
Dendragapus obscurus
Reportar
calificación 4
2 calificaciones
Norman Erthal
26 oct 2019
Cache la Poudre River--Chambers Lake area, Larimer, Colorado, United States
ML191121681
Red-eyed Vireo
Vireo olivaceus
Reportar
calificación 4
3 calificaciones
Norman Erthal
25 oct 2019
29856 County Road 2W, Hugo, Colorado, US (39.128, -103.518), Lincoln, Colorado, United States
ML191120341
Hermit Thrush
Catharus guttatus
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calificación 4
1 calificación
Norman Erthal
27 oct 2019
Rocky Mountain Arsenal NWR-- East Auto Tour, Adams, Colorado, United States
ML191119471
Wood Duck
Aix sponsa
Reportar
calificación 2
1 calificación
Norman Erthal
5 nov 2019
Lion's Club Fishin' Hole, Phillips, Colorado, United States
ML191119131
Lapland Longspur
Calcarius lapponicus
Reportar
calificación 3
4 calificaciones
Norman Erthal
1 dic 2019
61957 County Road 76, Raymer, Colorado, US (40.538, -103.885), Weld, Colorado, United States
ML191118351
Merlin
Falco columbarius
Reportar
calificación 4
4 calificaciones
Norman Erthal
1 dic 2019
County Road 22, Fort Morgan, Colorado, US (40.493, -103.733), Morgan, Colorado, United States
ML191118211
Green Heron
Butorides virescens
Reportar
calificación 3
1 calificación
Norman Erthal
12 oct 2019
Clear Creek Valley Park, Adams, Colorado, United States
ML183319721
Chestnut-collared Longspur
Calcarius ornatus
Reportar
calificación 3
1 calificación
Norman Erthal
10 oct 2019
Coal Creek Open Space (Jefferson Co), Jefferson, Colorado, United States
ML181416411
Western Cattle Egret
Bubulcus ibis
Reportar
calificación 1
2 calificaciones
Norman Erthal
25 ago 2019
Great Western Reservoir (closed to public), Broomfield, Colorado, United States
ML174041941
Common Chiffchaff (Siberian)
Phylloscopus collybita tristis
Reportar
calificación 1
1 calificación
Norman Erthal
9 jun 2014
Gambell Boatyard, Nome Census Area, Alaska, United States
ML99770351
Common Chiffchaff (Siberian)
Phylloscopus collybita tristis
Reportar
calificación 1
1 calificación
Norman Erthal
9 jun 2014
Gambell Boatyard, Nome Census Area, Alaska, United States
ML99770291
Common Chiffchaff (Siberian)
Phylloscopus collybita tristis
Reportar
calificación 1
1 calificación
Norman Erthal
9 jun 2014
Gambell Boatyard, Nome Census Area, Alaska, United States
ML99770271