Bird calls may have meaning says an article here.
Well, it's pretty obvious some types of call do. But I have wondered recently, with the arrival of spring and its massive increase in bird noice around our house, what exactly is the point of the huge din that lorikeets and similar parrot-ish birds make of an evening as they fly into the trees?
I mean, you can sort of guess that morning calls may have something to do with, well, waking up and checking who's around you. But the evening racket they make? I mean, they don't talk about what they did today, do they? They're smart enough to know where their nest is without having to hear where the crowd is, aren't they?
Just wondering.
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