Feather
Birds, feather colour – and sex
26 May 2016
Why are some male birds brighter and showier than females of the same species, and sometimes both are bright? Sexual selection, size and living in the tropics are all part of the answer. Audio
Birds, feather colour – and sex
26 May 2016
Why are some male birds brighter and showier than females of the same species, and sometimes both are bright? Sexual selection, size and living in the tropics are all part of the answer.
Audio