Vagrancy in Birds: A Book Review
10,000 Birds
APRIL 5, 2022
per cent of individuals of a species at a given time” and a vagrant bird as a bird that shows up outside of this range (p. But it’s a very fluid definition, as the book makes very clear. Some birders may want to carefully read the chapter on human-driven vagrancy, which takes up the question of ship-assisted vagrancy.
Let's personalize your content