Stint, Taiwan (1 Viewer)

modrawnu · Mar 2, 2017

Here is a Dunlin-like shorebird that seems not a regular bird in Taiwan. Could anyone help to ID for us? Baird's Sandpiper or Western Sandpiper?
Thanks.

Location: Pingtung, Taiwan
Date: 26th Feb. 2017

JWN Andrewes · Mar 2, 2017

Long-toed Stint?

KGS · Mar 2, 2017

Tricky bird. I feel quite confident that the suggested options (Western, Long-toed & Baird's) cannot be the answer. Can Dunlin be safely ruled out? Are we facing a rare Calidris-hybrid?

Nutcracker · Mar 2, 2017

Seems to have semi-pale legs, neither black, nor yellow, but tricky to be sure it isn't mud-stained. Looks a bit big for a Long-toed Stint, but is Long-toed x Dunlin hybrid plausible??

SteveMM · Mar 2, 2017

Nutcracker said:
Seems to have semi-pale legs, neither black, nor yellow, but tricky to be sure it isn't mud-stained. Looks a bit big for a Long-toed Stint, but is Long-toed x Dunlin hybrid plausible??

Apparently so: https://twitter.com/i/web/status/786157695313129476

This bird does look like it has traces of green to the legs, which cuts down the field. Only Long-toed Stint can appear so contrastingly patterned above at this season. Just the bill is out!

johnallcock · Mar 2, 2017

There's a couple of structural and plumage features that don't really fit for Long-toed, plus it seems larger than the Red-neckeds in the photos.

The upperparts seem too heavily marked for Dunlin and, as Nutcracker mentions, the legs don't seem to be black (unless that's mud).

I'm also inclined towards the hybrid possibility for this bird. It's certainly an interesting and unusual individual.

KGS · Mar 2, 2017

SteveMM said:
Apparently so: https://twitter.com/i/web/status/786157695313129476

This bird does look like it has traces of green to the legs, which cuts down the field. Only Long-toed Stint can appear so contrastingly patterned above at this season. Just the bill is out!

Can you be sure the scapulars are winter feathers and not retained, worn juvenile ones? Also I don't think you should trust the impression of pale legs too much here. To my eye the jizz is far from Long-toed, but of course impossible to know how an (unlikely) hybrid should look.

rockfowl · Mar 2, 2017

The presumed Long-toed Stint x Dunlin hybrid in Japan - http://www.nicovideo.jp/watch/sm8006333

You might have to join to view but it has a similar feel to this bird.

SteveMM · Mar 2, 2017

KGS said:
Can you be sure the scapulars are winter feathers and not retained, worn juvenile ones? Also I don't think you should trust the impression of pale legs too much here. To my eye the jizz is far from Long-toed, but of course impossible to know how an (unlikely) hybrid should look.

Hi KGS,

Agree this has plenty 'out' for Long-toed and was throwing my hat in the ring for some kind of hybrid. Out of interest (waders not being my strong point), wouldn't juvenile tertials be much shorter than this on e.g. Dunlin (assuming the bird to have retained a lot of juvenile upperparts)? These look long and 'full' on this bird, exceeding both the tail and primaries in length, which I would associate more with Long-toed Stint.

Steve

Stint, Taiwan (1 Viewer)

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