One of the most fascinating aspects of human life is how we choose our ... element of mating systems. In most species, females are choosier when picking a mate than males. A significant reason ...

The raptors mate for life, unless one partner dies early. Year after year most return to the same nests. Birds in some so-called monogamous species still mate with other partners; bald eagles seem ...

With its luminous dorsal spine, the anglerfish is well adapted for life in the dark depths ... in deep-sea anglerfish species. In other anglerfishes, the male is closer in size to the female and only ...

Red wolves mate for life, and these pairs usually mate once ... which concludes that red wolves are a legitimate wolf species (Canis rufus) separate from grey wolves and coyotes.

The birds mate for life. LIFE CYCLE: Individuals can live 20 to 30 years in the wild. FEEDING: Bald eagles favor fish but also eat waterfowl, seagulls, small mammals, reptiles, and carrion. THREATS: ...

According to the National Zoo, Walnut was considered "geriatric" for her species as she lived far past the normal life expectancy for white-naped cranes kept in human care. (The organization said ...