Cuckoo nestlings mimic the nestlings of their host bird (IMAGE)
Caption
Bronze-cuckoo nestlings on the left with the nestlings of their hosts on the right.
TOP ROW: little bronze-cuckoo, host large-billed gerygone.
SECOND ROW: shining bronze-cuckoo, host yellow-rumped thornbill.
THIRD ROW: Horsfield’s bronze-cuckoo, host superb fairy-wren.
Credit
Naomi Langmore
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With credit
License
Original content