SHEILDRAKE. 



domesticated, and in a wild state feeds chiefly on 

 grains or seeds, and insects ; during incubation they 

 are partially arboreal in their habits, perch on trees 

 and place their nests in the hollow trunks or 

 branches. 



TADORNA, Leach. Generic characters. Bill de- 

 pressed at tip, slightly undulated in its la- 

 teral outline, slightly dilated at the tip, base 

 elevated with a knob in front ; maxilla con- 

 cealing the mandible ; lamellae scarcely visible 

 externally, not developed ; wings long, tertials 

 broad, carpal joints with a rudimentary knob ; 

 tarsi with hallux articulated high. 



lypes. Tadorna Belonii, tyc. 



e. Breed in holes. Europe, Asia. 



