Bald Eagle
In Middle English, "bald" meant
white-headed.
Other
names: American eagle, black eagle, fishing
eagle, gray eagle, Washington eagle, white-headed sea eagle.
Hunting
habits: Feeds mostly on fish, either caught alive,
stolen from Ospreys, or found dead, especially near dams and power
plants. Takes many crippled ducks and geese during hunting season
and winter. Also regularly scavenges on carrion.
Migrating
habits: Migrants can be seen throughout the fall, but
peak flights occur very late in November and December. Most eagles
wait till lakes freeze before heading south.
Nesting
habits: Usually built near the top of a supercanopy pine
or hardwood. A pair returns to the same nesting territory year after
year, usually to the same nest. Most nests stay the same size over
many years.
Length:
70-90 cm
Wingspan:
180-225 cm
Weight:
2.0-6.2 kg (average of about 4.3 kg)
Life
expectancy: One lived at the National Zoo over 30 years.
One banded wild bird was shot in Mexico when 10 years, 5 months old.
Another banded eagle survived 21 years, 11 months.
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