Mike Read / White stork (Ciconia ciconia) pair silhouetted on nest at sunset near Castro Verde, Alentejo, Portugal, February.

Ernie Janes / *** Starlings (Sturnus vulgaris) on power lines at sunset, UK, October.

Roland Seitre / Short-beaked echidna (Tachyglossus aculeatus) curled into a defensive ball, Shark Bay, Western Australia