The last two mating seasons ended in heartbreak for Jackie and Shadow, Big Bear’s beloved bald eagle couple. Thousands of fans who eagerly follow the birds’ antics via webcam were devastated ...

Bird species were categorized into three mating systems—monogamy (strong ... systematize that scattered information and use it at a large scale," Marcondes said. To analyze evolutionary dynamics ...

After mating, the birds remain together for years ... The species features orange legs and a large, brightly patterned red-and-black beak. The juvenile has a thinner bill and dark grey cheek ...

Bird species were categorized into three mating systems — monogamy (strong and durable sociosexual ... to try to systematize that scattered information and use it at a large scale,” Marcondes said. To ...

It might be ornate peacock plumage, large antlers on a deer, or a bird's particularly melodious mating call. Another type of sexual selection is combat among members of the same sex to choose an ...

The International Fund for Houbara Conservation in Abu Dhabi, which has bred a large number Houbara bustards ... One promising solution is training male birds to mate with a wooden dummy, which ...