by Claire Spottiswoode | Jun 15, 2015
Host species of brood-parasitic birds can evolve features such as spots, squiggles and colours on their eggs that act like ‘signatures’ that are difficult for parasites to forge, helping hosts to detect and reject imposter eggs. In this new paper, we show that...
by Claire Spottiswoode | Jun 10, 2015
In a new paper we show experimentally that adult female cuckoo finches (at left in photo) in Zambia have evolved to resemble harmless and abundant bishop-birds (right), which should help them to slip past being attacked by host parents while they try to lay their...