1. Insect-eating bill of Robin; 2. Seed-crushing bill of a Sparrow; 

 3. Snapping- bill of Whippoorwill ; 4. Needle bill of Hummingbird ; 5. Chis- 

 elling bill of Woodpecker; f>. Climbing bill of Paroquet; 7. Tearing bill of 

 Falcon; 8. Grooved drinking bill of Dove; 9. Gleaning bill of Ruffed 

 Grouse; 10. Wedge bill of Plover; 11. Straight probing bill of Snipe. 



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