Most of this work has been funded by The A. P. Leventis Ornithological Research Institute and The Rufford Small Grants Foundation (links to their websites via their logos below).

We are also grateful to the following people and institutions for their support:

Louise Peat of Cotsworld Wildlife Park

Banham Zoo and The Friends of Banham Zoo

Bela Posci

Birdworld

Cotswold Wildlife Park

Dublin Zoo

Harewood Bird Gardens

International Turaco Society

Living Rain Forest

Michel Klat (Harehatch)

Papiliorama Swiss Tropical Gardens

Paradise Park (Hayle)

Paulton’s Park

Twycross Zoo