Swifts :

Chantler, Phil.

Swifts : a guide to the swifts and treeswifts of the world / Phil Chantler ; illustrated by Gerald Driessens. - 2nd ed. - New Haven : Yale University Press, c2000. - 272 paginas. : ilustraciones., mapas ; 25 x 18 cm.

Includes bibliographical references (p. 258-266).

0300079362


Swifts.
Swifts--Identification.
Tree swifts.
Tree swifts--Identification.
Vencejo--Identificación
Árbol de vencejos
Vencejo--Pajaro

598.762 / C45s