Doug Perrine / Atlantic spotted dolphin and calf {Stenella frontalis} Bahamas, Caribbean Sea (Non-ex).

Tony Heald / Ostrich and chicks drinking {Struthio camelus} Etosha NP, Namibia

Carol Walker / Wild horse / Mustang, foal suckling from mother, Pryor mountains, Montana, USA

Kristel Richard / Wild / feral Dulmen ponies (Equus caballus) mare and foal running on the Duke of Croy's estate, Meerfelder Bruch, North Rhine-Westphalia, Germany, May 2011

Jane Burton / Sandy lop-eared rabbit with 18-day babies

Jouan & Rius / Female Verreaux's Sifaka (Propithecus verreauxi) climbing tree with young on back, dry forest of Berenty reserve, South Madagascar

Charlie Hamilton James / Common kingfisher {Alcedo atthis} female (left) being aggresive to youngster, encouraging it to disperse, England

Pete Oxford / Weddell seal {Leptonychotes weddellii} with suckling young, Australian antarctic territory

Carine Schrurs / Masai giraffe herd {Giraffa camelopardalis tippelski} Masai Mara, Kenya