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A PRACTICAL HANDBOOK OF BRITISH BIRDS. 



Eyes very large and directed forward, toes feathered or with 

 bristles Striges (Owls) 



Eyes moderate and laterally directed, toes quite bare : 



Accipitres (diurnal birds of prey) 





Barn-Owl (Tyto alba) and Peregrine Falcon {Falco peregrinus) . 



I Toes feathered, no liind toe : 

 Pterodetes (Sand-Grouse) 

 Toes feathered or bare, hind toe present . 13 





Pallas's Sand-Grouse 

 (Syrrhaptes paradoxus). 



{Ten or twelve tail-feathers 14 

 More than twelve tail-feathers (with one exception — Goturnix [Quail] — 

 where tail hidden by coverts, and primaries stiff and rounded) : 

 GallinT, (Game-birds) 



14s 



Ten fully developed tail-feathers, wing over 

 80 mm 15 



Ten fully developed tail-feathers and two 

 small soft ones on top of lateral tail- 

 feathers (two toes in front, two behind) : 

 Pici (Woodpeckers) 



Twelve fully developed tail-feathers, or else 

 wing not over 60 mm 17 



Green Woodpecker 

 (Picus viridis). 



15| 



r With a large crest Upupce (Hoopoes) 



Without a crest 16- 



Hoopoe (Upupa epops). 



