Plural of birdcall; multiple bird sounds or devices that imitate them.
Simple plural of 'birdcall,' maintaining the same compound structure. Used commonly in ornithology and birdwatching to refer to collections of bird sounds or multiple call-making devices.
Scientists have recorded and catalogued thousands of birdcalls, creating audio libraries that reveal each species has dialects—birds in different regions sing different 'versions' of their species' song, just like human accents, proving that culture isn't uniquely human.
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