Adult molting from alternate into basic plumage (September)
Alternate-plumage adult, sex undetermined (June)
Alternate-plumaged adult, sex undetermined (June)
Mostly alternate-plumaged adult male (June), note short bill
Basic-plumaged after hatch-year female (June), Alaska. Note long, fairly heavy bill. Given that this bird is in a basic-looking plumage in summer, it's likely a second year bird.
Basic-plumaged adult female (June), note long, fairly heavy bill
Alternate-plumage male in foreground (June), not difference in bill length and overall bulk between male in front and basic-plumage female in background. Female godwits are generally noticeably larger and longer-billed than males.
Fall juvenile (October), Washington.
Juvenile (October), Washington.
Faded juvenile (October), Washington. The coverts of this bird already showing some wear and the underparts are paler (more whitish) than they would be on a fresh juvenile.
Juvenile (October), Washington. Note barred and spotted underwing pattern, which is very different than the underwings of other godwits.
Juvenile (foreground) in direct comparison with Marbled Godwit (October). Note the difference in size and particular height. Bar-taileds are comparatively short-legged when seen in direct comparison to Marbled.