Get off my lawn!” It's not just grumpy neighbors—female birds nesting in cavities fiercely defend their homes too. Duke ...

"Get off my lawn!" Funny as a meme but maybe scary in real life, this short sentence is synonymous with an elderly man ...

The birds were eliminated when the invasive brown treesnake was accidentally introduced to the island of Guam in the '40s.

A White-necked Jacobin chick may use mimicry or camouflage to avoid predators, resembling a caterpillar with fluffy feathers.