NO. 2 DIMENSIONS OF FLYING ANIMALS — GREENEWALT 35 



Table 12. — data from d. b. o. saville, auk, vol. 67, p. 502 (1950) 



Pectoral muscle as 

 % of body weight 



Large 



Ratio 



Small Large/Small 



Archilochus colubris 20.5 



9.2 



2.22 



Table 13. — data from r. meinertzhagen, ibis, 

 VOL. 97, NO. 1, pp. 111-114 (1955) 



Wing-beat rates — large birds 



Wing lengths supplied by Charles Vaurie, 

 The American Museum of Natural History 



Wing-beat 

 rate 

 scc-1 



Wing length 



Raven 



Carrion crow 



Fantailed raven , 



Rook 



Jackdaw 



Jungle crow , 



Magpie 



Starling 



Blackbird 



Cuckoo 



Short-eared owl ... 

 Peregrine falcon ... 



Barbary falcon 



Merlin 



Kestrel 



Hen harrier 



Montagu's harrier 



Black kite 



Osprey 



Egyptian vulture ... 



Heron 



Great white egret . 



Flamingo 



Mute swan 



Shell duck 



Mallard 



Gadwall 



Wigeon 



Shoveler 



Common scoter 



Velvet scoter 



Eider duck 



Merganser 



Gannet 



Cormorant 



Shag 



