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Warbler, Willow

Identify and index birds in Southern Africa

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wingman
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Re: Identification Help - General Birds

Unread postby wingman » Thu Jan 07, 2010 9:25 am

Hi Please assist me with this one seen at Cintsa reserve 20km north of East London in coastal forest.
Image

many thanks

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Lizet Grobbelaar
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Re: Identification Help - General Birds

Unread postby Lizet Grobbelaar » Fri Jan 08, 2010 7:19 am

wingman,

Willow Warbler - Very obvious eyebrow, small bill, yellow wash to breast and eyebrow.

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Re: Identification Help - LBJs

Unread postby wingman » Sun Apr 18, 2010 8:17 pm

Please assist me with this one taken in Polakwane - Willow warbler

Image

Image

many thanks

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Re: Identification Help - LBJs

Unread postby Batmad » Mon Apr 19, 2010 8:52 am

Willow Warbler :thumbs_up:
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Johan van Rensburg
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Warbler, Willow

Unread postby Johan van Rensburg » Mon May 21, 2012 7:26 pm

The Willow Warbler (Phylloscopus trochilus) is strongly migratory, with almost all of the vast population wintering in sub-Saharan Africa.

Image

Image

One of the most numerous birds in Europe, more than a million ringed birds, by 2004, resulted in 2500 retraps or recoveries, representing a substantial database that gave ornithologists valuable information into the migration routes taken by this tiny bird and their habits during migration. These night migrants travel furthest from Siberia to Southern Africa… a one-way trip of 14000 kms! For a bird weighing less than 12g, this is a remarkable feat. They are capable of fast refueling and during their day-time stops recharge their energy levels. If faced by obstacles like the Sahara desert, they have enough in reserve to cross such a hurdle in three or four nights, resting up during daytime.

Willow warblers are one species that show a reaction to climate change with both their arrival and departure in and from Europe having shifted by a week at either end of the season so that their stay has become shorter by two weeks in sub-Saharan Africa during the 40 years that they have been monitored. Effectively the Sahara is growing rapidly southwards causing the barrier that needs to be crossed to stretch the bird to a point where they fail to cross back to Europe. Some bird populations have declined by 30%.

The Willow Warbler is almost unique amongst birds in that it moults all of its feathers twice in a year, on the breeding grounds and again on the wintering grounds; the reason for this have to do with the length of the migration.

They are insectivores. Typical lifespan is two years but birds in excess of 10 years have been recorded.

The ID features are:
- distinct pale yellow eyebrow and underparts
- tail notched
- legs pink
- distinct yellow under-wing, sometimes visible on the shoulder when the wing is closed.

In South Africa it usually is a solitary feeder, but sometimes it joins mixed bird parties. Forages by restlessly gleaning off leaves and branches in middle and upper strata of trees and bushes, much like white-eyes... a tough subject to photograph!
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Re: Warbler, Willow

Unread postby granjan » Mon May 21, 2012 7:50 pm

Here's one that's arrived back in my garden, appropriately in a willow tree by my garden pond.
Image
willow warbler by jansp, on Flickr

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Re: Warbler, Willow

Unread postby kite » Wed May 23, 2012 7:38 am

[video][/video]
Wow, thanks Johan and Granjan!
Great photos of the little bird.
What an amazing journey it undertakes.

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Re: Warbler, Willow

Unread postby barryels » Wed May 23, 2012 9:16 am

Thanks Johan for sharing info of such a beautiful little bird and Granjan for the additional photo :thumbs_up:
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Re: Warbler, Willow

Unread postby DotDan » Wed May 23, 2012 10:13 am

Great photo Granjan.. difficult to get good shots of these guys as they are so busy litte things!

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Re: Warbler, Willow

Unread postby dellac » Wed May 23, 2012 10:35 am

Not 100% sure but I think we have a couple that have just arrived in our garden
here on the outskirts of London. Sorry I dont know how to download pics as I
would like someone to confirm that I am correct. One of the birds seems to be
more yellow than the other. Did look up my book. :thumbs_up:

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Re: Warbler, Willow

Unread postby saraf » Sat Jun 16, 2012 12:03 pm

dellac wrote:Not 100% sure but I think we have a couple that have just arrived in our garden
here on the outskirts of London. Sorry I dont know how to download pics as I
would like someone to confirm that I am correct. One of the birds seems to be
more yellow than the other. Did look up my book. :thumbs_up:


Dellac, have a look here and see if that helps you to load a photo. Please let me know if you have any problems.
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Johan van Rensburg
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Re: Warbler, Willow

Unread postby Johan van Rensburg » Tue Oct 01, 2013 1:49 pm

Just arrived for our summer... Seen in a stinkwood in my garden (Middelburg, Mpumalanga) on Sunday.

Image

Maybe all the way from London? :lol:
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granjan
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Re: Warbler, Willow

Unread postby granjan » Sun Oct 06, 2013 11:50 pm

Or Cornwall?? :wink:

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uk garen birds 049 by jansp, on Flickr

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Re: Warbler, Willow

Unread postby onewithnature » Mon Oct 07, 2013 1:28 am

Wonderful information on a fantastic little bird. Thanks, JvR. :clap: :clap: Nice pics too from you and the other mites :clap: :clap: - as noted, difficult to photograph.
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Re: Identification Help - General Birds

Unread postby wingman » Thu Dec 05, 2013 1:14 pm

Herewith another small query

Image
taken between BnG and Byamiti
many thanks


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