Bence Mate / Dalmatian pelican (Pelecanus crispus) chick begging for food from adult, Danube Delta, Romania.

Bence Mate / Tip of bill and feathers of Dalmatian pelican (Pelecanus crispus) Danube Delta, Romania

Bence Mate / Portrait of Dalmatian pelican (Pelecanus crispus) with bill wide open and pouch inverted, Danube Delta, Romania

Konrad Wothe / Chestnut mandibled / Swainson's Toucan (Ramphastos ambiguus swainsonii) Costa Rica

Roland Seitre / Keel-billed Toucan (Ramphastos sulfuratus). Captive, Medellin Zoo, Medelllin, Antioquia, Colombia.

Roland Seitre / Toco Toucan (Ramphastos toco). Estancia Tacuaral, Santa Ana del Yacuma, Beni, Bolivia.

Roland Seitre / Great Green / Buffon's Macaw (Ara ambiguus) portrait. Richard and Margot Frisius' breeding facilities, La Selva, Costa Rica. 2008.

Roland Seitre / Great Green / Buffon's Macaw (Ara ambiguus) portrait. La Marina Wildlife Rescue Center, La Selva, Costa Rica. 2008.

Tim Laman / Magnificent frigatebird (Fregata magnificens) adult male. Santa Cruz Island, Galapagos Islands.

Tim Laman / Lava heron (Butorides sundevalli) on the shore, endemic to the Galapagos, Puerto Egas, Santiago Island, Galapagos Islands.

Shattil & Rozinski / Raft of American white pelicans fishing {Pelecanus erythrorhynchos} USA

Shattil & Rozinski / American white pelicans intereacting, begging for food {Pelecanus erythrorhynchos} Florida, USA