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

Tony Wu / Female Derjavini's sculpin (Radulinopsis derjavini) specialized mouth used to aerate developing eggs by sucking water over and around them. Pacific Ocean, Hokkaido, Japan. Photographed at two...

David Fleetham / Cone shell hermit crab (Ciliopagurus strigatus) inhabiting a cone shell, Hawaii, Pacific Ocean. Crab has a specialized flat body that allows it to squeeze into the narrow opening of the shell.

David Fleetham / Female Ornate ghost pipefish / Harlequin ghost pipefish (Solenostomus paradoxus) with egg mass in the pouch formed by the two specialized fins below its abdomen. Philippines.

David Fleetham / Day octopus (Octopus cyanea) pair mating, The male is on the left with one specialized tentacle reaching to the female. Hawaii.

Laurent Geslin / Woman vet specialized in working with wild mammals, treating an injured wild cat (Felis silvestris) that will be released back into the wild, Switzerland 2019