Eleven-armed sea star, Tasmania.

Eleven-armed sea star, Tasmania.

 Three kangaroo. Narawntapu NP. Tasmania, Australia.

Three kangaroo. Narawntapu NP. Tasmania, Australia.

 Echidna. Tasmania, Australia.

Echidna. Tasmania, Australia.

 Platypus. Tasmania, Australia.

Platypus. Tasmania, Australia.

 Swallows, Mersey River. Tasmania, Australia.

Swallows, Mersey River. Tasmania, Australia.

 Kangaroo sunset, Narawntapu NP. Tasmania, Australia.

Kangaroo sunset, Narawntapu NP. Tasmania, Australia.

 White bellied sea eagle. Tasmania, Australia.

White bellied sea eagle. Tasmania, Australia.

 Egret, Kakadu NP. Northern Territory, Australia.

Egret, Kakadu NP. Northern Territory, Australia.

 Many birds, Mersey River. Tasmania, Australia.

Many birds, Mersey River. Tasmania, Australia.

 Scarlet robin pulling worm. Tasmania, Australia.

Scarlet robin pulling worm. Tasmania, Australia.

 Grizzly bear, Yellowstone NP. Wyoming, United States.

Grizzly bear, Yellowstone NP. Wyoming, United States.

 River otter with fish, Snake River. Grand Teton NP. Wyoming, United States.

River otter with fish, Snake River. Grand Teton NP. Wyoming, United States.

 River otter in Snake River. Grand Teton NP. Wyoming, United States.

River otter in Snake River. Grand Teton NP. Wyoming, United States.

 Wombat via camera trap. Tasmania, Australia.

Wombat via camera trap. Tasmania, Australia.

 Spotted-tail quoll via camera trap. Tasmania, Australia.

Spotted-tail quoll via camera trap. Tasmania, Australia.

 Pademelon via camera trap.

Pademelon via camera trap.

 Lowland copperhead, Narawntapu NP. Tasmania, Australia.

Lowland copperhead, Narawntapu NP. Tasmania, Australia.

 Lowland copperhead, Narawntapu NP. Tasmania, Australia.

Lowland copperhead, Narawntapu NP. Tasmania, Australia.

 Saltwater crocodile, Sungei Buloh wetlands. Singapore.

Saltwater crocodile, Sungei Buloh wetlands. Singapore.

 Mangrove pit viper, Sungei Buloh wetlands. Singapore.

Mangrove pit viper, Sungei Buloh wetlands. Singapore.

 Snake in stream. Shenandoah National Park, Virginia.

Snake in stream. Shenandoah National Park, Virginia.