Sebastian Kennerknecht / Hairy Water Lily (Nymphaea pubescens) flower, Diyasaru Park, Colombo, Sri Lanka

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

Mary McDonald / Sambar deer (Rusa unicolor) fawn in marsh with House crow, (Corvus splendens) trying to land on head, Keoladeo National Park, Utter Pradesh, India

Sebastian Kennerknecht / Excavator in urban wetland, Diyasaru Park, Colombo, Sri Lanka

Sebastian Kennerknecht / Fishing Cat (Prionailurus viverrinus) male running over bridge in urban wetland at night, Diyasaru Park, Colombo, Sri Lanka

Sebastian Kennerknecht / Indian Crested Porcupine (Hystrix indica) near house at night, Colombo, Sri Lanka

Sebastian Kennerknecht / Hairy Water Lily (Nymphaea pubescens) flower, Diyasaru Park, Colombo, Sri Lanka

Sebastian Kennerknecht / Floating Watermoss (Salvinia natans), an invasive species, Diyasaru Park, Colombo, Sri Lanka

Sebastian Kennerknecht / Yellow Bittern (Ixobrychus sinensis) sub-adult male foraging in wetland, Diyasaru Park, Colombo, Sri Lanka

Sebastian Kennerknecht / Pheasant-tailed Jacana (Hydrophasianus chirurgus) flying in breeding plumage, Diyasaru Park, Colombo, Sri Lanka

Sebastian Kennerknecht / White-throated Kingfisher (Halcyon smyrnensis), Diyasaru Park, Colombo, Sri Lanka

Sebastian Kennerknecht / White-throated Kingfisher (Halcyon smyrnensis) with frog prey, Diyasaru Park, Colombo, Sri Lanka