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Birds of Argentina, Patagonia

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Old Saturday 20th February 2010, 22:26   #1
steenl
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Birds of Argentina, Patagonia

Hello everybody,

Now two weeks in the southern part of Argentina. Lovely country and evenso their birds.
Made a lot of nice pictures. Three questionmarks/conformation issues.

First one: It's a Miner. My first Miner ever. I think Short-billed Miner. Correct? Photo is taken 50km east of Ushuaia.
Second one: Female type / juvenile Finch. I have only adult males in my book. Is this a Yellow-bridled Finch? Hope so. Photo is taken 20km east of Ushuaia.
Third one: A Oxyura duck. In the lake near El Calafate Laguna Nimez, I saw several Oxyura ducks. Most of them were Andean Ducks. De female types are more browner then the duck on the picture. Is the photographed duck a Lake Duck?

Tx again!!

Greeting,
Lennaert Steen from the Netherlands.
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Old Saturday 20th February 2010, 22:56   #2
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No 3 fits perfectly with female Lake duck in Birds of SA - non-passerines.
No 2 fits better with Black-throated/Canary-winged in Jaramillo's Bird of Chile, sorry.
No 1 reminds me of a ground tyrant, not a miner. I am not sure which ones would be possible where you were?

Niels

Edit: having looked up the location, possibly a juvenile ochre naped?
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Old Sunday 21st February 2010, 07:26   #3
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#1 Spot-billed Ground-Tyrant
#2 Looks like Imm Yellow-bridled Finch
#3 Lake Duck
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Old Sunday 21st February 2010, 10:50   #4
Tideliner
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The third one is a Argentine ruddy duck. is lake duck duck some new fangled name for Arg ruddies ? If so why cant they just leave the old names alone so everyone understands what they are.
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Old Sunday 21st February 2010, 12:55   #5
steenl
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Hi all,

Tx for the comments.
So number one is a Ground-tyrant. Bloody
But spot-billed Ground-tyrant is also a lifer. Good news.
Number two little bit discussion? Does Canary-winged Finch occur around Ushuaia? Yellow-bridled Finch does.
Oke, Lake Duck or Argentine Ruddy Duck . Lifer again.

Over one week a new topic Birds of Argentina

All the best.
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Old Sunday 21st February 2010, 13:11   #6
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There were a couple of reasons I preferred the Canary-winged/black-throated for this one: One is the black malar stripe and the other is the yellow on the outer tail feathers, both better for cw according to the Chilean book; however, the book only shows female, not immature. According to Ridgely and Tudor, there should be no yellow or buff on underside of the yellow-bridled which your bird has.

I saw plenty of cw in the lowland western end of TdF, but did not visit the Argentine part and cannot answer which is expected. It is certainly one of the two.

Niels
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Old Sunday 21st February 2010, 13:17   #7
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Quote:
Originally Posted by Tideliner View Post
The third one is a Argentine ruddy duck. is lake duck duck some new fangled name for Arg ruddies ? If so why cant they just leave the old names alone so everyone understands what they are.
Andean Duck which is found in the Andes of Chile and Argentina (and occationally in lowland, more so in winter) is often considered the same species as Ruddy Duck from N America.

Lake duck is a different species, but it has in the past had all of these names attached to it: English: Argentine Blue-bill, Argentine Blue-billed Duck, Argentine Lake Duck, Argentine Ruddy Duck, Argentine Ruddy-Duck, Lake Duck (See avibase).

Niels
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Old Sunday 22nd August 2010, 17:52   #8
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#1.- Def. Spot-billed Ground-tyrant. No supercilium for it to be a Miner. Beautiful pic.
#2.- I agree with Niels that it must be a female Black-throated Finch because of yellow primaries and yellowish throat, chest, and belly.
#3.- I'd say Lake Duck as well because of the amount of white on the face.

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