Neil Aldridge / African Lion (Panthera leo) cub reaches for a moment of intimacy with its father, Northern Tuli Game Reserve, Botswana

Aflo / ic-02802 Two domestic cats sleeping with heads close together {Felis catus}

Aflo / ic-02801 View of heads of two domestic cats sleeping close together {Felis catus}

Doug Perrine / Humpback whale mother and calf {Megaptera novaeangliae} Hawaii, USA Pacific Ocean - taken under research permit #633 (Non-ex).

Anup Shah / Impala mother and baby, head to head {Aepyceros melampus} Masai Mara, Kenya

Anup Shah / Leopard cub playing with mother {Panthera pardus} Masai Mara, Kenya

Anup Shah / Young African elephant calf beside mother's trunk {Loxodonta africana} Masai Mara, Kenya

Anup Shah / Cheetah cub cuddling up to mother {Acinonyx jubatus} Masai Mara, Kenya

Anup Shah / Common zebra foal nuzzling mother at rest {Equus quagga} Masai Mara NR Kenya

Christophe Courteau / West African giraffe calves {Giraffa camelopardis peralta}. Sahel, Niger.

Christophe Courteau / African lion pride {Panthera leo} Mother & cubs. Okavango delta, Botswana.

Christophe Courteau / African lion pride {Panthera leo} Mother & cubs. Okavango delta, Botswana. 2006 BEMROSE

Karl Ammann / African elephants head to head {Loxodonta africana} Kenya

Peter Blackwell / Cub licking mother Cheetah {Acinonyx jubatus} Masai Mara National Reserve Kenya