The Denver Zoo Conservation Alliance is working to protect the critically endangered African Penguin with a highly controlled ...

Animals display surprising romantic behaviors. Albatrosses and foxes mate for life, while wolf eels form long-term pairs.

It produces the female egg cells, called the ova or oocytes, which are necessary for reproduction. The system is designed to transport the ova to the site of fertilization. Conception, the ...

The males first offer the females a pebble as a gift, which starts the process of building a nest. After mating, the female ...

After mating, the female penguin lays a single egg. The male then takes it and carries it during the 65-day incubation period. He keeps the egg covered by a flap of skin on his feet. During this ...

"Wisdom returns to the same nesting site each year to reunite with her mate and if able, lay one egg," the social media post said. "For decades, she did this with the same partner, Akeakamai ...

which female penguins don’t do. Maggie, taking on the more dominant role, began mating with other penguins, including another male named Spike. This behavior and the lack of an egg led keepers ...

The footage shows a male and female penguin greeting each other, before getting down to business. Then we cut away, to give the lovebirds some privacy! Across a breeding season, little penguin pairs ...

They then try to attract a female by ... little penguin pairs typically rear one or two clutches during autumn and winter. Each clutch consists of one or two eggs. The penguins take turns sitting ...