There are 577 species of birds recorded; Tyrannidae is listed as the most diverse family, it contains 28 genera and 60 species.    From Wordnik.com.  [Chocó-Darién moist forests] Reference

The most diverse families are the Tyrannidae and Fringillidae.    From Wordnik.com.  [Guajira-Barranquilla xeric scrub] Reference

Notes on Knipolegus franciscanis Snethlage, 1928 (Aves: Tyrannidae), an endemism of central Brazilian dry forest.    From Wordnik.com.  [Atlantic dry forests] Reference

Only 75 bird species occur in the valley, with the Columbidae, Tyrannidae, Icteridae, and Fringillidae families sufficiently abundant in the upper valley to be considered characteristic.    From Wordnik.com.  [Motagua Valley thornscrub] Reference

Three of the more important families are the Tyrannidae (23 species,13%), Formicariidae (22 species, 12,5%) and Thraupidae (13 species, 7.3%). 72% were observed in terra-firme environments, 15% on islands and 13% in both.    From Wordnik.com.  [Central Amazonian Conservation Complex, Brazil] Reference

Such are the families of the bush-shrikes and ant-thrushes (Formicariidae), the tyrant-shrikes (Tyrannidae), the.    From Wordnik.com.  [Darwinism (1889)] Reference

(1946: 27) considered the Trochilidae, Tyrannidae, and Icteridae.    From Wordnik.com.  [Birds from Coahuila, Mexico] Reference

Tyrannidae.    From Wordnik.com.  [Bird lists] Reference