Dissemurus paradiseus

Key to Subspecies.

A. Size medium; wing 138 to 163 mm.; tail up to 420 mm.; crest small,
reaching only over anterior crown …………D. p. paradiseus, p. 377.
B. Larger, wing 147 to 170 mm.; tail up to 435 mm.; crest longer, reaching
centre of crown………………………………..D. p. rangoonensis, p. 378.
C. The largest form ; wing 155 to 182 mm.; tail up to 560 mm.; crest very full, covering whole crown………………………………….D. p. grandis, p. 378.
D. Size large, wing 152 to 167 mm.; tail up to 450 mm.; crest absent or
obsolete ; culmen average 32 mm………………D. p. otiosus, p. 380.
E. Size medium, wing 146 to 153 mm.; no
crest; culmen 28 mm……………………………D. p. nicobariensis, p. 380.
F. Size medium, wing 142 to 167 mm.; tail up to 415 mm.; crest up to centre
or anterior crown D. p. malabaricus, p. 381.
G. Size small, wing 139 to 156 mm.;tail up to 340 mm.; crest very small…………………………………..D. p. ceylonensis, p. 381.

BookTitle: 
The Fauna Of British India, Including Ceylon And Burma-birds(second Edition)
Reference: 
Baker, EC S (1922–1930) The fauna of British India including Ceylon and Burma. Second edition. vol.2 1924.
Title in Book: 
Dissemurus paradiseus
Book Author: 
Edward Charles Stuart Baker
Year: 
1924
Page No: 
377
M_ID: 
19657
M_CN: 
Greater Racket-tailed Drongo
M_SN: 
Dicrurus paradiseus
Volume: 
Vol. 2
id: 
3418

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Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith