Bird Migration Dangers
Name: Jenni W.
What are the dangers of bird migration?
Meaning, when birds migrate over seas or over land, what are the dangers of
doing it (migration) they might get lost of some thing?
Birds face many dangers during
migration, land birds being blown out over sea is just one. Exhausted small
land birds like warblers have landed on ships far out on the ocean, many
others must drown without finding a refuge. Storms often blow both land and
oceanic migrants far off course, and if they cannot find a resting place and
food and get back on track they will not make it. Migration takes a
tremendous amount of energy and smaller birds especially must "refuel"
regularly to survive. When the birds are tired and hungry they are more
likely to be caught by predators.
I do not think birds would normally get lost, except when they are blown
off course by storms. How they navigate accurately is not really well known,
but they are very good at it.
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Update: June 2012