NO. 9 BIRDS OF ISLA COIBA, PANAMA—WETMORE 61 
they are birds of strong flight it is possible that they cross back and 
forth to the mainland. 
The name “borreguito” is given to them from the light-colored 
plumage of the male. They are also called puerquito or pajaro 
chancho, from their curious grunting calls. 
Fic. 7—Masked Tityra, Borreguito. 
Family PipripAE: Manakins 
CHIROXIPHIA LANCEOLATA (Wagler): Lance-tailed Manakin, Toledo 
Pipra lanceolata J. WacteEr, Isis (of Oken), 1830, col. 931. (Cerro Turumiquire, 
Sucre, Venezuela.) 
The attractive lance-tailed manakin, the only one of its family that 
I found on Coiba, was common in undergrowth everywhere on the 
island, ranging through the shadows of the high forest, in brush in 
the swampy woods near the mouths of the rivers, and in the low 
rastrojo of abandoned fields. Their musical, whistled calls came to 
us daily in our work afield, though it was necessary to watch closely 
to observe the musicians, as they remained behind cover. When not 
