1116-53319 - Close-up portrait of a male willow ptarmigan (Lagopus lagopus) showing early breeding colors in its neck and eye combs, surveying its high-country territory in Southcentral Alaska's Chugach Mountains on an April day. The head and neck will become completely chocolate-brown as the bird's breeding colors develop, Alaska, United States of America
1116-53254 - Close-up portrait of a bald eagle (Haliaeetus leucocephalus) looking out from its perch on a tree branch against a washed out sky, Haines, Alaska, Unites States Of America
1359-1209 - Fishermen in boat during fish harvest with event visitors observing them, Rozmberk Pond, UNESCO Biosphere, Trebon, Jindrichuv Hradec District, South Bohemian Region, Czech Republic (Czechia), Europe
860-291417 - Research assistant working on nitrogen exchanges between bacteria and the roots of legumes in the tropical forest of the "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica
860-291415 - 27-year-old researcher working on nitrogen exchange between bacteria and the roots of legumes in the rainforest at the "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica
860-291410 - 27-year-old researcher working on nitrogen exchange between bacteria and the roots of legumes in the rainforest at the "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica
860-291409 - 27-year-old researcher working on nitrogen exchange between bacteria and the roots of legumes in the rainforest at the "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica
860-291406 - 27-year-old researcher in front of the Pracaxi legume (Pentaclethra macroloba) at the "La Selva" research station in Puerto Viejo de Sarapiqui, Costa Rica
832-398035 - Indian cameleer (camel driver) bedouin with camel silhouettes in sand dunes of Thar desert on sunset. Caravan in Rajasthan travel tourism background safari adventure. Jaisalmer, Rajasthan, India, Asia
832-397606 - African elephant (Loxodonta africana), old female, lead cow in the landscape of the Masai Mara, in the background tourists in a safari vehicle, Kenya, Africa