Lisa Hoffner / A baby orphan Elephant (Loxodonta africana), named Murka, wounded by a poacher's spear is comforted by the touch of another elephant's trunk from outside its pen. David Sheldrick Wildlife Trust Eleph...

Gerry Ellis / African Elephant (Loxodonta africana) bulls engaged in greeting ritual, Amboseli National Park, Kenya

Gerry Ellis / African Elephant (Loxodonta africana) portrait of female, taken with a wide-angle lens, David Sheldrick Wildlife Trust, Tsavo East National Park, Kenya

Norbert Wu / Australian Ghost Shark (Callorhinchus milii) trunk-like snout detects prey in sea bottom, primitive fish relative to sharks, lives in the deep sea, New Zealand

Anup Shah / African elephants (Loxodonta africana) feeding on loose soil for its minerals, Maasai Mara National Reserve, Kenya. Taken with remote wide angle camera.

Jane Burton / Elephant-trunk fish {Gnathonemus petersi} captive, from rivers of West africa, a species with electric organs

Jane Burton / Elephant-trunk fish {Gnathonemus petersi} captive, from rivers of West africa, a species with electric organs

Joel Sartore / Photo Ark / Elephant nose fish (Gnathonemus petersii) head portrait, Medicine Park Aquarium and Natural Sciences Center. Captive, occurs in Africa.

Joel Sartore / Photo Ark / Elephant nose fish (Gnathonemus petersii) portrait, Medicine Park Aquarium and Natural Sciences Center. Captive, occurs in Africa.

Etienne Littlefair / Butler's grunter fish (Syncomistes butleri) and Arafura file snake (Acrochordus arafurae), fish exhibiting mobbing behaviour, Arnhem escarpment creek, Northern Territory, Australia, July.