Last Updated：2022/12/24
In both, the frontal crest is vertical, and streaked with black. Sir T. S. Raffles states that the Simpai is frequent in the neighbourhood of Bencoolen, on the west coast of Sumatra, while the Dutch naturalists found the same species exclusively at Indrapura, a few hundred miles further north on the same coast.
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In
both,
the
frontal
crest
is
vertical,
and
streaked
with
black.
Sir
T.
S.
Raffles
states
that
the
Simpai
is
frequent
in
the
neighbourhood
of
Bencoolen,
on
the
west
coast
of
Sumatra,
while
the
Dutch
naturalists
found
the
same
species
exclusively
at
Indrapura,
a
few
hundred
miles
further
north
on
the
same
coast.
