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320
species of birds are so far check listed from Periyar. The
birds include raptors, water birds, galliform birds,
pigeons, wood peckers and passerines. The reserve has a
good distribution of southern western ghat endemics. All
disjunct species, that occur in the eastern Himalaya but
absent in between are reported from Periyar. A third of
all the birds found in Periyar are trans-asian migrants.
Buceros
bicornis, enjoys a wide distribution in the
evergreen
and semi-evergreen forest tracts at all
elevations. Their distribution appears to be
related to the occurrence of old growth forest
patches of trees belonging to Moraceae and
Lauraceae.
The
ceylon frogmouth Batracostomus moniliger, a
nocturnal bird is commonly found in the moist
forests of the reserve
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