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Warbler, Willow

Identify and index birds in Southern Africa
wingman
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Re: Identification Help - General Birds

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

wingman,

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

wingman
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Re: Identification Help - LBJs

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

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

Image

Image

many thanks
Skukuza 23-04, Satara 24-04, Ngwenya 25- 29/04

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Re: Identification Help - LBJs

Unread post by 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 post by 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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granjan
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Re: Warbler, Willow

Unread post by 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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Johan van Rensburg
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Re: Warbler, Willow

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

Or Cornwall?? :wink:

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uk garen birds 049 by jansp, on Flickr

wingman
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Re: Identification Help - General Birds

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

Herewith another small query

Image
taken between BnG and Byamiti
many thanks
Skukuza 23-04, Satara 24-04, Ngwenya 25- 29/04

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DotDan
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Re: Identification Help - General Birds

Unread post by DotDan » Thu Dec 05, 2013 1:34 pm

Hi there Wingman

Second photo is a Willow Warbler. :D

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Re: Identification Help - General Birds

Unread post by Ladybirder » Thu Dec 05, 2013 10:36 pm

I agree Dotdan :thumbs_up:

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arks
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Re: Identification Help - LBJs

Unread post by arks » Thu Jan 22, 2015 2:20 am

Is this perhaps a marsh warbler? Seen at Mapungubwe in late October 2014.

Image

Image
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Re: Identification Help - LBJs

Unread post by Snoobab » Thu Jan 22, 2015 9:17 am

Very tricky to ID from your photo's. My gut instinct says it is not Marsh but rather a Willow Warbler but not with 100% conviction.

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DotDan
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Re: Identification Help - LBJs

Unread post by DotDan » Thu Jan 22, 2015 9:58 am

Looks good for Willow Warbler :thumbs_up:

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Johan van Rensburg
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Re: Identification Help - LBJs

Unread post by Johan van Rensburg » Thu Jan 22, 2015 10:01 am

I agree with Snoobab :thumbs_up:
679 Last 5 lifers: Rüppell's vulture, Spotted crake, Lesser jacana, Burchell's courser, Double-banded courser


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