Eric Baccega / Polar bear with two 3m-old cubs {Ursus maritimus} Churchill, Manitoba, Canada

Eric Baccega / Polar bear resting with two 3-month-old cubs {Ursus maritimus} Churchill, Manitoba,

Philip Dalton / Spectacled bear cub (3m-old) in den {Tremarctos ornatus} Ecuador

Eric Baccega / Polar bear sleeping with two 3m-old cubs {Ursus maritimus} Churchill, Manitoba, Canada

Richard Du Toit / Mother Cheetah 3m-old cub {Acinonyx jubatus} Phinda Resource Reserve South Africa

Richard Du Toit / Mother Cheetah with 3m-old cubs {Acinonyx jubatus} Phinda Resource Reserve South Africa