Roland Seitre / Dingo (Canis lupus dingo) pups, Dingo Farm, Castlemaine, Victoria, Australia. Captive, occurs in Australia and Asia. Vulnerable species.

Bernard Castelein / Nursery-web spider (Pisaura mirabilis) female guarding nest with young spiders inside, Groot Schietveld, Wuustwezel Belgium, July.

Bernard Castelein / Nursery-web spider (Pisaura mirabilis) female guarding nest with young spiders inside, Groot Schietveld, Wuustwezel Belgium, July.

Thomas Lazar / Common loon (Gavia immer) swimming with two chicks, Allequash Lake, Northern Highland State Forest, Wisconsin, July.

Thomas Lazar / Common loon (Gavia immer) swimming with chicks, Allequash Lake, Northern Highland State Forest, Wisconsin, July.

Thomas Lazar / Common loon (Gavia immer) feeding young chick small fish, Allequash Lake, Northern Highland State Forest, Wisconsin, July.

Thomas Lazar / Common loon (Gavia immer) adult swimming with two chicks on back, Allequash Lake, Northern Highland State Forest, Wisconsin, July.

Thomas Lazar / Common loon (Gavia immer) adult swimming with chick on back and another following behind, Allequash Lake, Northern Highland State Forest, Wisconsin, July.

Thomas Lazar / Common loon (Gavia immer) adult swimming with chick on back, Allequash Lake, Northern Highland State Forest, Wisconsin, July.

Thomas Lazar / Common loon (Gavia immer) swimming with fledgling, adult calling. Turtle Flambeau Scenic Waters Area, Wisconsin, June.

Roland Seitre / Antelopine wallaroo (Macropus antilopinus) with baby in pouch, Australia. Captive.

Roland Seitre / Southern Two-toed Sloth (Choloepus didactylus) mother and baby, captive at Singapore Zoo. Native to South America.