AlexHenry Posted March 18, 2020 Share Posted March 18, 2020 Aleutian Cackler (leucopareia) vs Ridgway's Cackler (minima) - Aleutians have white collar, Ridgway's has larger white cheek patch, very dark breast with some blackish gloss, as well as being smaller in size and having a rounder head and shorter bill. 7 Link to comment Share on other sites More sharing options...
AlexHenry Posted March 24, 2020 Share Posted March 24, 2020 Eastern and Western Willets - T s semipalmata vs T s inornata Eastern on left, Western on right. Western is larger, longer legged, paler overall. Eastern has a shorter thicker bill. There have been rumblings about splitting these into two separate species for years, but so far it has been shut down. 2 Link to comment Share on other sites More sharing options...
Kevin Posted March 24, 2020 Share Posted March 24, 2020 Western Meadowlark.Eastern Meadowlark. 3 Link to comment Share on other sites More sharing options...
HamRHead Posted April 23, 2020 Share Posted April 23, 2020 House Finch, Rose-breasted Grosbeak, Female Blue Grosbeak 6 Link to comment Share on other sites More sharing options...
Bird Brain Posted April 23, 2020 Share Posted April 23, 2020 1 minute ago, HamRHead said: House Finch, Rose-breasted Grosbeak, Female Blue Grosbeak Nice shot!! 1 Link to comment Share on other sites More sharing options...
HamRHead Posted July 26, 2020 Share Posted July 26, 2020 Today a county first Piping Plover and a Killdeer 2 Link to comment Share on other sites More sharing options...
HamRHead Posted July 26, 2020 Share Posted July 26, 2020 A Barn Swallow and...umm...the other resident of the barn, a Brown Swiss. 1 4 Link to comment Share on other sites More sharing options...
AlexHenry Posted August 26, 2020 Share Posted August 26, 2020 Baird's Sandpiper vs Least Sandpiper Baird's (along with White-rumped) are significantly larger than the three other peeps (Least, Semipalmated, Western). However the size difference can be somewhat subtle, especially when multiple species aren't present for direct comparison. Perhaps more obvious are the differences in shape and structure, as Baird's have long wings, so they have long primaries that project well beyond the tertials and slightly beyond the tail, and cross. When viewed head on, Baird's are broad-shouldered, with a relatively flat back. The flat back and long, crossed primaries give Baird's Sandpiper a long, stretched out, slender look to their rear end, even though their upper body is noticeably much broader than other peeps. Baird's has relatively long black legs, and a medium length black bill, proportionately slightly longer and straighter than Least Sandpiper's bill, though still with perhaps a slight droop at the tip. Color wise, Baird's are brownish, most similar to Least or Pectoral Sandpiper and pretty distinct from Western, Semipalmated, or White-rumped Sandpiper. So I think Baird's is probably most likely to be confused with Least due to the coloration, but note the warm buffy face and neck and the silvery fringing on some of the scapulars. This photo lined up well to show the differences in size, shape, and coloration between these two relatively similar species. 7 Link to comment Share on other sites More sharing options...
Seanbirds Posted September 3, 2020 Share Posted September 3, 2020 Semipalmated (back) and Western (front) Sandpipers 3 Link to comment Share on other sites More sharing options...
AlexHenry Posted September 4, 2020 Share Posted September 4, 2020 Continuing the theme of shorebirds migration: Lesser Yellowlegs vs Greater Yellowlegs: Lesser on left with small point mostly dark bill, smaller head with steeper forehead, smaller overall vs Greater with a longer bill, which has a obvious pale base and looks slightly upturned. It also has a less steep forehead, more of an s-curve to the neck, and is larger overall. 3 Link to comment Share on other sites More sharing options...
AlexHenry Posted September 4, 2020 Share Posted September 4, 2020 Pacific Golden-Plover vs Black-bellied Plover: 4 Link to comment Share on other sites More sharing options...
AlexHenry Posted September 4, 2020 Share Posted September 4, 2020 Wilson’s Phalarope (left) vs Red-necked: 5 Link to comment Share on other sites More sharing options...
Connor Cochrane Posted September 15, 2020 Share Posted September 15, 2020 (edited) Parasitic? Jaeger (Left) vs Heermann's Gull (Right). While it might seem odd, Heermann's gulls can look very similar to Jaegers when at a distance, as the can looks similar in flight in pattern. Edited September 15, 2020 by Connor Cochrane 4 Link to comment Share on other sites More sharing options...
Birding Boy Posted September 15, 2020 Share Posted September 15, 2020 Pectoral (Foreground and Left) and Least Sandpipers 4 Link to comment Share on other sites More sharing options...
RobinHood Posted September 21, 2020 Share Posted September 21, 2020 Green-winged Teal and Green-winged Teal. I learned some time ago not to trust the apparent speculum colour. 1 1 Link to comment Share on other sites More sharing options...
Kevin Posted September 21, 2020 Share Posted September 21, 2020 Turkey Vulture and Black Vultures. 2 Link to comment Share on other sites More sharing options...
BirdNrd Posted September 30, 2020 Share Posted September 30, 2020 Brown Pelican (right) and Pelagic Cormorant (left) and Male Wood Duck (bottom right) and Female/immature male Wood Duck (left, top right). Link to comment Share on other sites More sharing options...
chipperatl Posted December 20, 2020 Share Posted December 20, 2020 I don’t think there is any subspecies difference, just one light-headed and one darker-headed Cowbird. Link to comment Share on other sites More sharing options...
stitch58 Posted December 20, 2020 Share Posted December 20, 2020 Short-billed & Long-billed Dowitcher Canvasback & Redhead Northern Cardinal & Bluejay Another Cackling & Canada Goose 1 Link to comment Share on other sites More sharing options...
Aidan B Posted December 21, 2020 Share Posted December 21, 2020 Lincoln's Sparrow (left) and Song sparrow (right) 4 Link to comment Share on other sites More sharing options...
Aidan B Posted December 24, 2020 Share Posted December 24, 2020 Clarks Grebe (left) and Western Grebe (right) 1 Link to comment Share on other sites More sharing options...
Connor Cochrane Posted December 24, 2020 Share Posted December 24, 2020 1 hour ago, Aidan B said: Clarks Grebe (left) and Western Grebe (right) That’s a real bright bill for a western. Link to comment Share on other sites More sharing options...
Aidan B Posted December 24, 2020 Share Posted December 24, 2020 1 hour ago, Connor Cochrane said: That’s a real bright bill for a western. Are you thinking it's a Hybrid? Here's another shot. 1 Link to comment Share on other sites More sharing options...
Avery Posted January 3, 2021 Share Posted January 3, 2021 All three for the East Coast. Snow Bunting, Horned Lark, and Lapland Longspur! 2 Link to comment Share on other sites More sharing options...
The Bird Nuts Posted January 3, 2021 Share Posted January 3, 2021 28 minutes ago, Avery said: All three for the East Coast. Snow Bunting, Horned Lark, and Lapland Longspur! Nice! Where was this? If you don't mind me asking. Link to comment Share on other sites More sharing options...
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