Mark Jones / Komodo Dragon (Varanus komodoensis) large male testing ground for scent with specialized forked tongue, Komodo National Park, Komodo Island, Indonesia

Marie Read / American oystercatcher (Haematopus palliatus), closeup of individual feeding by using its chisel-shaped bill to pry open shellfish, Fort De Soto Park, St. Petersburg, Florida, USA, March.

Paul Bertner / Metalmark (Riodinidae) caterpillar with balloon setae, specialized hairs filled with substancesto help deter predation, Yasuni National Park, Ecuador

Jen Guyton / Desert endemic Welwitschia plant (Welwitschia mirabilis) male at sunset near Swakopmund, Namibia. Unlike most modern plants they're dioecious, which means that there are male plants and female pla...

Pal Hermansen / Puffin figurines in specialized puffin shop, Reykjavik, Iceland, Reykajvik, Iceland, July 2016.

Pal Hermansen / Svedjerug, old Scandianavian variety of Rye (Secale cereale) specialized for slash and burn agriculture in coniferous forests, July.

Pal Hermansen / Farmer Johan Sward e Svedjerug, old Scandianavian variety of Rye (Secale cereale) specialized for slash and burn agriculture in coniferous forests, Oppland, Norway, July.

Tim Laman / Four-eyed fish (Anableps sp) in very shallow water on mudflats adjacent to mangroves. Caroni Bird Sanctuary, Trinidad, Trinidad and Tobago. These fish have specialized eyes divided into two parts for...

Tim Laman / Four-eyed fish (Anableps sp) in very shallow water on mudflats adjacent to mangroves. Caroni Bird Sanctuary, Trinidad, Trinidad and Tobago. These fish have specialized eyes divided into two parts for...

Piotr Naskrecki / Spider (Eriauchenius sp) specialized as a predator of other spiders, considered a living fossil as was originally described from fossil material, and only subsequently found living in Madagascar

Chris Newbert / Harlequin Shrimp (Hymenocera picta) paralyzing a Sea Star by injecting venom with its specialized stinging arms, 30 feet deep, Papua New Guinea

Tui De Roy / Frailejones (Espeletia hartwegiana) specialized composite plant growing in Paramo Del Angel, a high elevation wet Paramo Grassland, Paramo Del Angel, northern Andes Mountains, Ecuador