Cyril Ruoso / Great tailed grackle (Quiscalus mexicanus) displaying, South Texas, USA, April.

Cyril Ruoso / Great tailed grackle (Quiscalus mexicanus) displaying on telephone wire, South Texas, USA, April.

Mike Read / Prairie falcon (Falco mexicanus) and two Common american crows (Corvus brachyrhynchos) with waterfowl prey, Bosque del Apache National Wildlife Refuge, New Mexico, USA, January

Rolf Nussbaumer / Great-tailed grackle (Quiscalus mexicanus) male perched in tree. South Padre Island, Texas, USA.