Why Do Monarch Butterflies Swarm? Monarch butterflies, like other butterfly species and birds, must migrate to warmer climates during the cold winter months. Monarch butterflies are unique because ...

AUSTIN (KXAN) — What’s the deal with all the butterflies? KXAN viewers have been reaching out, wondering about the increase in butterflies in Central Texas this fall. The unusual butterflies you’ve ...

SAN ANTONIO – It happens every year: millions of American snout butterflies — known colloquially as “snout nose butterflies” — migrate south through San Antonio. And more than a few of the insects ...

A common thought experiment posits that a butterfly flapping its wings in Brazil can, over time, lead to a chain of events that sets off a tornado in Texas. It seems this old saw may be more true than ...

WITH reference to the swarms of butterflies referred to by M. Forel, in NATURE, vol. xx. p. 197, it may be interesting to mention that Vanessa cardui is this year very common in the south of England.