Plus, readers ask about goldfinches nesting and eating, starlings making holes in lawns and swans appearing in local waters.

The avian world is a treasure trove of fascinating and often bizarre mating rituals. Explore the different types of bird behaviors.

The possession of feathers and other parts of native North American birds without a permit is banned by the Migratory Bird Treaty Act, officials say.

That’s because spring is when most birds turn to family obligations—they mate, build nests, lay eggs and raise young. Why do birds sing so much during this time, though? Why Do Birds Sing? Singing is ...