Classification : Sexual Dimorphism 



25. The Spoonbill (215). 



26. The Egrets (223). 



27. The Paddy Bird (224). 



28. The Night Heron (225). 



29. The Common Flamingo (226). 



30. The Geese (227 and 228). 



31. The Ducks (229 and 230). 



32. The Little Grebe (231). (No tail at all.) 



4. Birds in which a 'part of the tail feathers are 

 prolonged beyond the rest as bristles 



{a) Median pair prolonged 



1. (Cock) Tailor Bird (in hot weather). 



2. The Bee-eaters (116 and 117). 



(Z>) Outer pair prolonged 



1. The Larger Racket-tailed Drongo (27). 

 (The web reappears at the tip, so as to form a 

 disc at the terminal part of the feather.) 



2. The Wire-tailed Swallow. 



V. SEXUAL DIMORPHISM 



Birds in which the sexes differ greatly in 

 appearance 



1. The Common lora (13). 



2. The Minivets (39-41). 



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