Bison (Bison bison) cow and newborn calf, Yellowstone National Park, Wyoming, United States of America, North America

Topi (Damaliscus lunatus) with newborn calf, Masai Mara, Kenya, East Africa, Africa

Blue wildebeest (Connochaetes taurinus) newborn calf trying to stand for the first time, Ngorongoro Conservation Area, Tanzania, East Africa, Africa

Blue wildebeest (brindled gnu) (Connochaetes taurinus) just-born calf trying to stand, Ngorongoro Crater, Tanzania, East Africa, Africa

Elephant and newly born calf, Chobe National Park, Botswana, Africa

Mother and calf, African elephant (Loxodonta africana), Addo National Park, South Africa, Africa

Male cheetah (Acinonyx jubatus) killing a newborn blue wildebeest (brindled gnu) (Connochaetes taurinus) calf, Ngorongoro Conservation Area, UNESCO World Heritage Site, Serengeti, Tanzania, East Africa, Africa

African elephant (Loxodonta africana) new-born calf, Addo Elephant National Park, South Africa, Africa

Elephants (Loxodonta africana), herd with newborn calf, Addo Elephant National Park, South Africa, Africa

Humpback whale (Megaptera novaeangliae), newborn calf breaching on the Silver Banks, Dominican Republic, Greater Antilles, Caribbean, Central America

Humpback whale (Megaptera novaeangliae), newborn calf breaching on the Silver Banks, Dominican Republic, Greater Antilles, Caribbean, Central America

Mother and newborn calf blue wildebeest (brindled gnu) (Connochaetes taurinus), Ngorongoro Crater, Tanzania, East Africa, Africa

A herd of African bush elephants (Loxodonta africana), protecting a newborn calf in Tarangire National Park, Tanzania, East Africa, Africa

A newborn blue wildebeest (brindled gnu) (Connochaetes taurinus), nursing in Serengeti National Park, Tanzania, East Africa, Africa

An adult pronghorn mother (Antilocapra americana), with newborn calves in Yellowstone National Park, Wyoming, United States of America, North America

Newborn calf, Salenrang village, in karst limestone region, Rammang-Rammang, Maros, South Sulawesi, Indonesia, Southeast Asia, Asia

Springbok (Antidorcas marsupialis) with newborn calf suckling, Kgalagadi Transfrontier Park, Northern Cape, South Africa, Africa

Newborn humpback whale (Megaptera novaeangliae) calf surfacing in the AuAu Channel, Maui, Hawaii. Pacific Ocean. This calf is only a few hours to a few days old.

Newborn humpback whale (Megaptera novaeangliae) calf learning how to breach in the AuAu Channel, Maui, Hawaii. Pacific Ocean. This calf is only a few hours to a few days old.

The transient Orca (Orcinus orca) pod, Cape Strait, Southeast Alaska, USA, Pacific Ocean

Newborn humpback whale (Megaptera novaeangliae) calf learning how to breach in the AuAu Channel, Maui, Hawaii. Pacific Ocean. This calf is only a few hours to a few days old.

A curious newborn humpback whale calf (Megaptera novaeangliae) approaches the boat in the AuAu Channel, Maui, Hawaii, USA

Newborn humpback whale (Megaptera novaeangliae) calf learning how to breach in the AuAu Channel, Maui, Hawaii. Pacific Ocean. This calf is only a few hours to a few days old.

A neonate (newborn) bottle nose calf surfaces beside a research boat next to its mother, Moray Firth, Scotland.

Newborn humpback whale (Megaptera novaeangliae) calf learning how to breach in the AuAu Channel, Maui, Hawaii. Pacific Ocean. This calf is only a few hours to a few days old.

A mother California Gray Whale (Eschrichtius robustus) and newborn calf in San Ignacio Lagoon, Baja California Sur, Mexico

A mother California Gray Whale (Eschrichtius robustus) and newborn calf in San Ignacio Lagoon, Baja California Sur, Mexico

Caucasian farmer feeding calf milk from bottle

veterinarian at work at a farm

veterinarian at work at a farm

Sassaby- (Damaliscus lunatus) with newborn calf, Masai Mara Game Reserve, Kenya, Africa

African Bush Elephant (Loxodonta africana), group with newborn calf wandering landscape with stormy sky, Masai Mara National Reserve, Kenya, East Africa, Africa

Sassaby- (Damaliscus lunatus) with newborn calf, Masai Mara Game Reserve, Kenya, Africa

Sassaby- (Damaliscus lunatus) with newborn calf, Masai Mara Game Reserve, Kenya, Africa

A human hand reaches out towards a newborn gray whale calf (Eschrichtius robustus) swimming near the surface with its mother in Laguna San Ignacio, on the Pacific coast of Baja California Sur, Mexico. Designated as a UNESCO World Heritage site and part of the Vizcaino Biosphere Reserve, it is the last undeveloped gray whale birthing lagoon on the planet, Mexico

A newborn gray whale calf (Eschrichtius robustus) surfaces in Laguna San Ignacio, on the Pacific coast of Baja California Sur, Mexico. Designated as a UNESCO World Heritage site and part of the Vizcaino Biosphere Reserve, it is the last undeveloped gray whale birthing lagoon on the planet, Mexico

Holstein cow with her newborn calf in a pen on a robotic dairy farm, North of Edmonton, Alberta, Canada

Cow moose (Alces alces) with calf rests on green grass in East Anchorage, Alaska's State mammal, South-central Alaska, Alaska, United States of America

Moose Cow With Newborn Calf (Alces Alces), Alaska, United States Of America

Cow moose (Alces alces) with calves rests on green grass in East Anchorage, Alaska's State mammal, South-central Alaska, Alaska, United States of America

Cow moose (Alces alces) and newborn calf, South-central Alaska; Anchorage, Alaska, United States of America

Wildebeest (Connochaetes taurinus) mother stares at it's still-wet newborn calf that has just struggled to it's feet in the Ndutu area of the Ngorongoro Conservation Area on the Serengeti Plains, Tanzania

A newborn Humpback Whale (Megaptera novaeangliae) breaches, Maui, Hawaii, United States of America