Spring is here, and with it comes the migration of birds. Here is why they make the trek northward for a New England summer.

This little perpetual-motion machine needs to eat constantly because of its high metabolism and high body temperature. If it goes without food for even a few hours in winter, it can starve or freeze ...

While the earliest sightings go back to nearly two weeks ago, now is the time when the majority of the birds reach New ...

As winter loosens its cold grip on New England, morning bird song fills the air even before the sun comes up. But as the climate warms, backyard birds once seen as signs of spring, are now year ...

New England actually plays host ... By October, most birds have made it to their wintering grounds. Baltimore orioles winter in Florida, the Caribbean, Central America, and the northern tip ...

Amazingly, in the summer, New England provides more food for birds than the tropics. The abundance of insects (as well as available plants) will drop precipitously as winter approaches ...