Brood parasitism: Lotem 1993 Flashcards
paper:
learning to recognise nestlings is maladaptive for cuckoos hosts
nestlings look ___ to own hosts young
v different
hosts can/cannot distinguish difference in nestlings
cannot but can between eggs
learning to recognise eggs =
adaptive
learning to recognise nestlings =
maladaptive, costs of misprinting outweighs benefit of correct learning
egg rejection is ____
common defence against cuckoo parasitism
what may prevent egg rejection
mimicry and cost o getting it wrong
because nestlings look so different it should be easy but
cuckoo young chuck hosts young out of nest, would save 30 day care if host deserted
nestling discrimination is mostly found in ___ systems
in host-parasite systems in which the parasite is reared along with the host young