Who is using white alphanumeric flags on knots??

General birdwatching discussion, help with bird identification, and all other things relating to wild birds and birding in NZ that don't fit in one of the other forums.
andrewcrossland
Posts: 1090
Joined: Mon Dec 14, 2009 2:29 pm
Location: Christchurch

Re: Who is using white alphanumeric flags on knots??

Postby andrewcrossland » Sat Oct 27, 2018 9:40 am

Hi folks, back in NZ now and flicking through dozens of photographs from Pantai Jono in Sumatra - I've found a distant shot of what I assume is the white-flagged bird as its about 20m away from the spot where I saw the bird. However I'm not 100% sure as there's no obvious lettering and lthough a really crappy pic that doesn't show bill structure very well, some of the checst, flank markings suggests this one is a Great Knot rather than Red Knot, so maybe infact not the same bird.

As you can see, the group of birds in the foreground is a mix of Red Knot and Great Knot. The bird is by itself foraging over dead coral in the background.

Here's the full photo and a couple of enlargements. Its too grainy to make out letters although they were obvious thru a scope in the field.

attachment=0]Red Knot2.JPG[/attachment]

Red Knot3.JPG
Red Knot3.JPG (84.49 KiB) Viewed 455 times


Red Knot1.JPG
Red Knot1.JPG (33.57 KiB) Viewed 454 times
Red Knot2.JPG
Red Knot2.JPG (51.18 KiB) Viewed 455 times
andrewcrossland
Posts: 1090
Joined: Mon Dec 14, 2009 2:29 pm
Location: Christchurch

Re: Who is using white alphanumeric flags on knots??

Postby andrewcrossland » Sat Oct 27, 2018 9:55 am

Knot 5.JPG
Knot 5.JPG (43.74 KiB) Viewed 451 times


knot6.JPG
knot6.JPG (35.32 KiB) Viewed 449 times


Knot 4.JPG
Knot 4.JPG (71.69 KiB) Viewed 451 times


A nice little combined count at this site (Pantai Jono) and an adjacent secondary roost about 1000m west along the beach (Pantai Perjuangan):

25 Pacific Golden Plover
556 Lesser SandPlover
30 Large Sand Plover
3 White-faced Plover
1 Kentish Plover
152 Whimbrel
180 Bar-tailed Godwit
3 Black-tailed Godwit
1282 Great Knot
622 Red Knot
120 Curlew Sandpiper
28 Broad-billed Sandpiper
101 Red-necked Stint
436 Common Redshank
80 Terek Sandpiper
17 Common Sandpiper
18 Sanderling
172 Asian Dowitcher
13 Turnstone
David Melville
Posts: 12
Joined: Sun Jul 05, 2009 3:45 pm

Re: Who is using white alphanumeric flags on knots??

Postby David Melville » Sat Oct 27, 2018 11:14 am

Looks like a white alpha/numeric with a black above - Chongming Dongtan, Shanghai.
David

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