I’m sad. The family of swallows that spent the summer in the eaves behind my office have headed south for the winter. Most of them will follow the west coast of Africa to avoid the Sahara; a few may travel further east down the Nile Valley. They’ll take it easy and stop every few miles at first to build up their fat reserves – but then they’ll speed up. In four months, as Christmas beckons here in the north, they’ll reach their destinations: Botswana, Namibia or South Africa. After just two months gorging on insects, they’ll begin the epic journey back. The strongest among them will make it back in just five weeks, traveling 200 miles a day.
And I thought my air travel was profligate. Read More