|The sexes are similar though the female
is larger and have longer tails.
It is an inhabitant of the forested areas and is not as
common as it used to be. However, the widespread
cultivation of Albizzia and Acacia in tea plantations
and the planting of the ornamental Poinciana trees along
roadsides has extended its range to non-forested areas
as well. Albizzia, Acacia and Poinciana are larval host
plants of the Common Nawab.
It is a strong flier and may be seen flying around tree
tops searching for females, or flying into trees in
search of oozing sap, in which it delights. It descends
to feed on rotting fallen fruit now and again, but not
habitually. However, when rotting fruits are enriched
with rum or molasses, it would descend to the ground
readily. If cautious, it can be approached closely. When
disturbed, it quickly flies up into the trees and
settles down on a leaf where it may remain for a
considerable period of time. The males are avid hill
toppers and may be seen flying around searching for
females in such places. It is not uncommon to see it in
the company of the Black Rajah.