Birding Hongbenghe, Yunnan (Part 2)
10,000 Birds
MARCH 25, 2024
In Grey-backed Shrikes (at least those breeding on the Tibetan plateau), the eggs laid during one breeding attempt get larger with time – presumably an attempt to at least partly overcome the disadvantages the last chick faces ( source ). melliana from alleged contact zone(s) in northern Laos and possibly south-western China.
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