migration

Heat cutting down on butterflies, food source

Associated Press — Mon, 13 Aug 2012 13:19:47 +0000

Ecologists in Kansas and Missouri say extreme temperatures are killing a large number of butterflies and could hurt their southern migration next month.

Millions of monarch butterflies are expected to migrate south through the two states in less than a month in their seasonal trip from Canada to Mexico.

KSHB-TV reports the Powell Botanical Gardens annual butterfly festival east of Kansas City is seeing the lowest number of monarchs in a decade.

Dragonflies migrate out of Missouri

Jacob McCleland — Thu, 02 Aug 2012 13:04:32 +0000

Migratory dragonflies are leaving Missouri and Illinois for areas further south. It’s part of these great travelers' annual migration pattern.

The Wandering Glider and Spot-winged dragonfly typically pass through the region in July. By early August, they are on their way out.

Bob Gillespie is a natural history biologist at the Missouri Department of Conservation. He says, up until a few year ago, scientists knew very little about how they migrate.

China's urban migration

Rehman Tungekar — Thu, 29 Mar 2012 21:36:44 +0000

The magnitude of China’s urban migration can be hard to fathom when you hear the numbers.