Few animals depend on timing as tightly as the kākāpō. This flightless parrot is found only on a few predator-free islands off the southern coast of New Zealand. It breeds only when specific forest ...
Lindsy, S., Lorenz, F. W., Entenmnan, C., and Chaikoff, I. L., Proc. Soc. Exp. Biol. and Med., 62, 315 (1946).