May 2023

2023/02/21- Wetland Ringing: Scars from the Shrikes
by hkbwsofficial

The clouds had rolled in this morning, leaving us working in a cool and humid wetland, with the calm only broken by the infrequent cooing of a Great Coucal hiding somewhere in the reeds.

Though the cold did not have enough of a bite to wake us from that morning feeling, the hooked beak of our resident dark-morph Long-tailed Shrike most certainly was. This bird was first ringed by us on the 11th January 2022, meaning it is an adult bird (3rd calendar year or older). It shows a uniform adult-type wing and tail, with no moult limits, although determining this while that hooked bill is made for piercing and ripping flesh was rather difficult (hence the gloves). We all now sport a few extra finger scars…

After tending to our wounds, we continued the day with one of our favourite overwintering guests- a young male Little Bunting! He showed a pointy juvenile tail, and a dark, contrasting crown and ear coverts.

As the sun rose, we ended with one of our largest Thrush species- a White’s Thrush! Though the mesmerising pattern of its feathers can make it a little difficult to determine moult limits in the GCs, we can see that this bird has a clear moult limit between the 7th GC (juvenile) and the 8th (postjuvenile), which is much larger and denser.

A nice day (despite the punctures)!

Daily Totals

SpeciesOriginalRecapture
Chinese Bulbul10
Chinese Penduline Tit90
Dusky Warbler13
Grey-backed Thrush01
Little Bunting10
Long-tailed Shrike01
Olive-backed Pipit01
Pale Thrush01
Pallas’s Leaf Warbler10
Plain Prinia11
Siberian Rubythroat01
White’s Thrush10
Yellow-bellied Prinia10

*Please note that all wild birds, their nests, and eggs are highly protected (under Wild Animals Protection Ordinate, Cap. 170) in Hong Kong. It is an offence to willfully disturb, take, remove, or injure wild birds or their nests/eggs. The actions described here were undertaken by trained professionals holding the necessary licenses and permits issued by the AFCD.*

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