Male (left) and female Fire-maned Bowerbird Sericulus bakeri, the endemic bowerbird of the Adelbert Mountains (William Cooper, reproduced from Cooper & Forshaw 1977, with the kind permission of Dr Wendy Cooper) in Avifauna of the Adelbert Mountains, New Guinea: why is Fire-maned Bowerbird Sericulus bakeri the mountains' only endemic bird species?

Male (left) and female Fire-maned Bowerbird Sericulus bakeri, the endemic bowerbird of the Adelbert Mountains (William Cooper, reproduced from Cooper & Forshaw 1977, with the kind permission of Dr Wendy Cooper)