Reproduction

Snuggle for Survival

Teamwork helps the world’s largest penguin species thrive under the harshest conditions.

Latest in Reproduction
Single Mom

In a delicate ritual that might last only a few minutes, this female squid demonstrates remarkable self-sufficiency.

African jacana male with babies - by Charl Stols
Hanging with Dad

A male African jacana has his feathers full while navigating Botswana’s rich but treacherous wetlands.

Are You My Mother? Photograph by John Cancalosi
Are You My Mother?

Before a timber rattlesnake mom leaves her babies to fend for themselves, she passes on an important piece of information: her scent.

African wild dogs (Lycaon pictus)
Strength in Numbers

A spirited game of tug-of-war is more than just a sweet moment among siblings—it’s a sign of an African wild dog pack with enough members to keep its pups both safe and well-fed.

sooty albatross (Phoebetria fusca)
The Long Haul

While its partner is away on a long-distance foraging expedition, this sooty albatross patiently holds down the nest and awaits its turn to find food—contributing to an equal partnership that will last a lifetime.

A female firefly squid (Watasenia scintillans) releases her fertilized eggs in a long, blue, gelatinous strand.
Flashes of Brilliance

In a display that rivals even the most dazzling of firework shows, millions of squid gather off the coast of Japan each spring to perform a sparkling spawning ritual.

Common frog (Rana temporaria) sitting on snow in the breeding season in the Alps, France, June..
The Ice Frog Cometh

Living at the extreme edge of its range, an alpine frog begins its breeding season with a march across a rather forbidding landscape.

Stag beetle (Lucanus cervus) males fighting on oak tree branch, Elbe, Germany, June.
Up in Arms

A pair of male stag beetles bring their oversized mandibles to bear in the age-old fight to find a mate.