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Canadian's everywhere! Arrive for the season. A Airbus A321 can be seen arriving to the gate from Montreal.
A grebe is a member of the order Podicipediformes and the only type of bird associated with this order. Grebes are a widely distributed order of freshwater diving birds, some of which visit the sea when migrating and in winter.
One of my illustrations in Migrate, the magazine of the Loerie Awards in South Africa. AD: Roanna Williams.
As the sun set this Thanksgiving, hawks on their migration south stopped for the night in my neighborhood. Thanks to Tim Brush for correcting the species ID!
There is no doubt that migration is under way. For two hours several members of the bird club kept an eye on the sky for migrating Canada Geese (Branta canadensis). Over 70 large groups of geese were seen flying high overhead. An estimated 9 thousand geese were seen during the two hours. Centennial Park, Maryland.
Migrating geese have been a big part of my life for the past few weeks. We see and hear them almost every day.
I spotted this flock at the bottom of Buford Dam. The Army Corps of Engineers was releasing a HUGE ammount of water from the dam, and some surrounding park area flooded. It conveniently made a nice resting pond for these Southern travelers.
It's fall, and millions of monarch butterflies are migrating to warmer climates for the winter—heading either to the Californian coast or to certain mountains in Mexico. Why do the butterflies need to migrate?
Monarch butterflies know fall is here the same way that we do; they feel the chill in the air. While we adapt by putting on a sweater, the situation is much more serious for the monarchs. Temperatures below 55°F make it impossible for them to fly; temperatures below 40°F paralyze them. The monarchs originated in the tropics and can't live for long at temperatures below freezing.
At the same time that the air is cooling, the nectar supply that feeds the butterflies is dwindling. To survive, the insects begin migrating in late summer, flying with the wind to reach their winter homes.