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Re: Combined answer 2 Re: The extinction of small dinosaurs
David Marjanovic wrote:
>Do birds today fight for nesting sites? I've never seen this on TV or read
>about it. Has someone else?
They do. A case I've often observed myself are pied flycatchers which are
long-distance migrants and hole nesters. They arrive late in spring and often
drive other birds (usually tits) that have already started nesting away from