Flip Nicklin / Southern Right Whale (Eubalaena australis) researchers Roger Payne, right, Jim Darling, left, and Gustavo Alvarez Colombo, center, watching individual dive, Peninsula Valdez, Argentina

Roger Powell / Blue-winged teal (Anas discors) male on water, La Chua Trail, Payne Priarie Reseve, Gainsville, Florida, USA, April

Roger Powell / Blue-winged teal (Anas discors) male escorting female while feeding, La Chua Trail, Payne Priarie Reseve, Gainsville, Florida, USA, April

Flip Nicklin / Southern Right Whale (Eubalaena australis) researcher Roger Payne pets whale, Peninsula Valdez, Argentina

Flip Nicklin / Southern Right Whale (Eubalaena australis) researchers Jim Darling and Roger Payne photographing flipper, Peninsula Valdez, Argentina