Steven L. Hilty

Birds of Colombia

2021

Dirt, sweat, and diesel

2016

Go, Spud, Go!

2004

Birds of Venezuela (Helm Field Guides)

2002

A guide to the birds of Colombia

1986

Draft environmental profile of

Draft environmental profile of the Kingdom of Lesotho

1982

Environmental profile on Guyan

Environmental profile on Guyana

1982