January 22-28, 2019 (Week 4 of 52): Most of Our Summer Birds Survive Winter Through Mass Migration

Buffalo-Niagara Nature Almanac

The vast majority of our summer birds survive winter by escaping the Buffalo-Niagara Region, migrating to warmer climes well to the south. The longest distance migrants fly 1,500 – 3,000 miles or more to spend winters in the West Indies, Mexico, Central America, and/or South America. These birds are often referred to as neotropical migrants. Shorter distance migrants travel more modest distances of 300 – 1,500 miles to over-winter in the southeastern United States. Migration demands a large investment of energy and poses substantial risks to migrants such as predation, competition with other animals that already occupy wintering areas, exhaustion and death from drowning while crossing large waterbodies, and collisions with buildings and other objects. Regardless, migration has evolved to be the most common strategy for winter survival of birds that nest in the Buffalo-Niagara Region.

Adult and young-of-the-year neotropical migrant songbirds typically depart the Buffalo-Niagara Region in late August…

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