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Happy Equinox

Today is the spring equinox marking the end of winter! (Well, maybe more in theory than practicality.) Today the sun moves across the celestial equator and the Earth’s axis tilts toward the sun to warm things up in the northern hemisphere. Cool Fact: The Mayan city Chichen Itza has been the celebratory site for “The

Fluffy Swallows

Looking like balls of fluffy cotton, this group of swallows huddle together during a winter blizzard. By fluffing both their downy and semiplume feathers, they are able to trap pockets of air close to their body. How much body heat they keep can adjusted by arranging their feathers to trap more or less air. At