The Oriental Reed Warbler is a form the Great Reed Warbler. It is the most common
Acrocephalus in Thailand and quite easy to spot in the morning. It also is very vocal and
thus readily found.
It also enjoys to forage in trees some thing that Thick-billed Warbler also likes so caution
to be taken as to the ID. These 2 birds song sound a lot a like though the call note is quite
different. Also the ORW has a prominent eyebrow but is lacking in Thick-billed Warbler.
ORW is found primarily in Eastern Asia. It breeds mostly in China and southern Russia but
spend the winter in the warmer areas of primarily SEA.
Call note commonly heard: https://www.xeno-canto.org/462181
Song: https://www.xeno-canto.org/462826
THICK-BILLED WARBLER
A bird often associated with water but not always reeds. Can be found in more wooded areas.
The taxonomy is still confusing and the bird keeps being shifted around.
Call: https://www.xeno-canto.org/508626
Song: https://www.xeno-canto.org/485180
BLACK-BROWED REED WARBLER
A common Acropcephalus. It is readily distinguished from ORW by smaller size, warmer
brown color and a distinctive black brow. Manchurian Reed Warbler has a similiar look but
not as strong a black brow, longer tail and longer bill.
It is a Far Eastern bird with its breeding grounds in China and summer grounds primarily in
SEA.
It is very active and fun to watch.
Call: https://www.xeno-canto.org/510519
Song: https://www.xeno-canto.org/545596
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