Orders of Birds 151 



Sub-Order Fregati. (Frigate-Birds ) Nest of sticks on 



rocks, trees, or bushes. Only one white egg. Tropical 



Seas. 



Order Cathartidiformes. (American Vultures.) Nest on 



rock or on the ground. Egg white, or with a few spots. North 



and South America. 



Order Accipitriformes. (Birds of Prey.) 



Sub-Order Serpentarii. (Secretary-Birds.) Nest of sticks 

 in bush or tree. Eggs two, white, with rusty brown 

 smudges. Africa. 

 Sub-Order Accipitres. (Vultures, Hawks, Eagles, etc.) 

 Nest of sticks, on rocks or trees, or on the ground in 

 marshes. Eggs variously coloured, from plain white to 

 the richest rufous. Cosmopolitan. 

 Sub-Order Pandiones. (Ospreys.) Nest large, of sticks, 

 on trees or ruins. Eggs three or four, richly coloured, 

 mostly rufous. Cosmopolitan. 

 Order Striges. (Owls.) Nest, none, in hole of tree or ground, 

 or that of some other bird in a tree. Eggs from four to nine, 

 white. Cosmopolitan. 



Order Psittaciformes. (Parrots.) Nest, none, in hole of 

 tree. Eggs two to four, white. 



Order Coraciiformes. (Picarian Birds.) 



Sub-Order Steatornithes. (Oil-birds.) Nest, a hard mud-like 



structure, in a cave. Eggs four, white. South America. 

 Sub-Order Podargi. (Frog-mouths.) Nest of sticks etc., 

 in a tree. Eggs two, white. Australasia and Indo- 

 Malayan Region. 

 Sub-Order Leptosomati. (Kirombos.) Nest of rushes in 



the hole of a tree. Egg white. Madagascar. 

 Sub-Order Coraci>e. (Rollers.) Nest of a few grasses in 

 the hole of a tree. Eggs four to five, white. Old World ; 

 generally distributed. 

 Sub-Order Halcyones. (Kingfishers.) Nest, none ; or a rough 

 heap of fish-bones at the end of a tunnel excavated by 

 the birds themselves ; sometimes in ant-hills, or in holes 

 of trees, Eggs from four to seven, white. Cosmopolitan, 



