THE GREAT IB IGA U. 
97 
dark bands which, surround its head and the upper part of its neck. One of these bands is 
short, and is placed just above the beak, while the other two sweep in bold curves, being 
very wide upon the top of the head, and narrowing rapidly to the corner of the eye, where 
they cease. It is extremely shy, but withal a dull bird, and when alarmed flies leisurely to 
the nearest tree, and, perching upon a branch, turns round to reconnoitre the cause of its 
alarm. When it sits in this manner it has very much the aspect of a common hawk. 
On account of a difference in the arrangement of the quill feathers of the wing, the birds 
which form the genus Batrachostomus have been separated from the Podargi. The generic 
name is of Gfreek origin, and is very appropriate, as it signifies “frog-mouthed,” and is anal- 
GREAT IBIGAU .— Nyctibius grandis. 
ogous to the French name of Crapaud-volant, or Flying Toad, which is given to all the Goat- 
suckers. The birds of this genus are not equal in dimensions to the Podargi, and they are all 
inhabitants of the Indian Archipelago, instead of being found in Australasia. 
The Geeat-eaeed Goat-suckee is chiefly remarkable for the extreme length of certain 
feathers which start horizontally from the upper part of the head, and are evidently analogous 
to similar structures in the eared or horned owls. The gape of the bill is wonderfully wide in 
this bird, and with its soft plumage, great round eyes, and large head, with its tufts of feathers 
at each side, it has a peculiarly owl-like aspect. The color of its plumage is black, gray, buff, 
and brown, all curiously mottled and intermixed with each other in a manner almost similar 
to the Goat-sucker, and which cannot be described without a needless expenditure of time and 
space. It is a nocturnal bird, and seems to be very shy in disposition. 
One of the largest examples of the Goat-suckers is the Geand Goat-suckee {Nyctibius 
grandis ), sometimes called the Geeat Ibigau. 
This fine bird is nearly thirteen inches in length, and in its habit resembles closely the 
common Goat-sucker of Europe, It is a nocturnal bird, as may be gathered from its generic 
Vox,. 11-15- 
