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Checklist S6963720

 
Location
Rowe Sanctuary, Buffalo County, Nebraska, US ( Map ) ( Hotspot )
Date and Effort
Thu Oct 07, 2010 11:00 AM
Protocol:
Traveling
Party Size:
1
Duration:
1 hour(s)
Distance:
0.2 mile(s)
Observers:
Christopher Rustay
Comments:
An absolutely gorgeous day. Wish I could have stayed out longer but meetings forced me back to the car and inside in the afternoon.
Species
30 species (+2 other taxa) total
11
Northern Bobwhite
2
Killdeer
1
Greater Yellowlegs
8
Ring-billed Gull
1
Northern Harrier
1
Bald Eagle
Age & Sex
Juvenile Immature Adult Age Unknown
Male
Female
Sex Unknown 1
1
Downy Woodpecker

Heard only

1
Hairy Woodpecker
1
Eastern Phoebe
1
Blue Jay
1
Horned Lark

Heard only

1
Barn Swallow

Heard only

1
House Wren
4
Ruby-crowned Kinglet
8
American Robin
20
European Starling
1
American Goldfinch
11
Chipping Sparrow
3
Field Sparrow
2
Fox Sparrow (Red)

Very odd that one was about 15-20% larger than another. it also appeared to have more rufous or "red" in the plumage, especially on the head than the smaller "red" Fox Sparrow.

3
Dark-eyed Junco

Probably at least one "Cassiar" Junco. Not all seen well enough to pick out presumed race.

2
Dark-eyed Junco (Slate-colored)
6
White-throated Sparrow
4
Song Sparrow
5
Lincoln's Sparrow
5
Spotted Towhee
1
Bullock's/Baltimore Oriole

Probably an immature Bullock's female. And completely tailless.

Yellow on face and breast. Belly fading to white and then turning back to yellow on vent. Yellow on the face may have include the *slightest* of orange tinting, but this was not evident on either the breast or ventral area. Grayish-green on crown and back with gray wings extensively edged in white with two large white wingbars. Thin bill at tip becoming relatively thick at back. Base of lower mandible looking bluish gray while upper mandible and tip all dark. Did not call.

Was being relatively calm near top of Russian olive (likely feeding on "berries" but I didn't actually see this, only shaking of limbs/leaves as it stretched out towards them. Stayed relatively hidden for much of the ten minutes that I watched, and I was only able to see enough for an ID for about 1 and 1/2 minutes before it flew off. When I did see it I thought, I wasn't able to see it all that well because I kept trying to get some color on the tail. Ultimately, as it flew off, I realized that I *had* been seeing the entire bird.

I'm quite familiar with Bullock's Oriole from NM. I'm not nearly as familiar with Baltimore in all plumages. This was not an Orchard.

I have only identified adult male Bullock's x Baltimore birds, but there was nothing that I saw that might have lead me to think that this could have been a hybrid. Nevertheless, not knowing any better, I suppose that this is a possibility... but I'd like to see other known female/immature hybrids before I say this could have been one.

*NOTE written after reading up on immature Bullock's and Baltimore Orioles:* I believe that I'm going to have to pull back on this one. I made my usual mistake of not being careful enough when out of my state and especially where birds common in New mexico are *not* common. There are apparently immature plumages of Baltimores that approach Bullock's in appearance and I was not careful enough with noting the extent of black intruding on the median coverts or the facial pattern. I believe that there was probably too much white edgings to all the wing feathers including the edges of the greater coverts to eliminate Baltimore oriole but cannot be sure, in retrospect. Especially considering that the bird did not call, I'm changing this to Bullock's/Baltimore Oriole.

2
Red-winged Blackbird
6
Orange-crowned Warbler
2
Nashville Warbler
2
Common Yellowthroat
1
Northern Cardinal
 

Are you submitting a complete checklist of the birds you were able to identify?

Yes