Birding Shanghai in April 2024 (The Colors of Spring)
10,000 Birds
MAY 6, 2024
In 2006, some Russian authors described a new subspecies (nechaevi) with some vital differences from the ones previously described: “The second primary feather of L. nechaevi is not shorter than the 6th primary feather. Unfortunately, at least the abstract of the paper does not give a hypothesis as to why this is the case.
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