Costa Rica Feral Species Wildlife 
10,000 Birds
MARCH 1, 2011
However, the species sometimes referred to as the Barbary Duck appears very much out of place just about everywhere else. Feral Muscovy Ducks seem to attract many of those epithets. Not only are the individual ducks hard to look at, but in groups, the feral populations create the same messes other masses of waterfowl do.
10,000 Birds
JANUARY 4, 2020
Incidentally, Uganda ( 510 ) leap-frogged Australia ( 475 ) to become the list’s fourth most prolific country behind Costa Rica ( 763 ), USA ( 654 ) and Brazil ( 555 ). They contributed 150 lists accounting for 1032 species and more than 36,000 individual birds. Jamaica Bay Wildlife Refuge–East Pond.
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