Pugnacious chaffinches, and a welcome returnee.
Writing tagged: ‘sexual selection’
25 April 2019
Testosterone-pumped chaffinches are at it again!
10 February 2019
Philip the pheasant senses spring in the air.
Pugnacious chaffinches, and a welcome returnee.
Testosterone-pumped chaffinches are at it again!
Philip the pheasant senses spring in the air.