Scott’s oriole is a vividly contrasting bird ... them in lowland tropical forests in Central and South America. Look for the streaky yellow prairie warbler in scrubby forests of the Southeastern ...

Audubon’s Oriole is a striking bird with a yellow body and a jet-black ... the Tropical Kingbird is found across South and ...

Rockefeller researchers traveled to yellow fever hotspots such as South America and Africa. Several of them died from the disease. One researcher, Dr. Alexander Mahaffy, discovered in 1927 that ...