Birds

Vegetation and Wildlife Survey of Devil’s Canyon (Gaan Canyon), Tonto National Forest (May 2009)

Devil’s Canyon is located in Pinal County Arizona approximately 6 km east of the town of Superior in the Globe Ranger District of the Tonto National Forest. The area is generally rugged with deep...

Type of Content: Reports, Papers, Journal Articles

Cactus ferruginous pygmy-owl, Glaucidium brasilianum cactorum gallery

Cactus Ferruginous Pygmy-owl (Glaucidium brasilianum cactorum) photos. These photos are by Aaron Flesch (contact) and Sky Jacobs (contact). If you would like to use them, please contact one of us...

Type of Content: Gallery

Cultural Surveys of the Masked Bobwhite Quail Project, Trip 2 Report

Details of trip taken to Sonora in March 2011 in search of the masked bobwhite, which is on the brink of extinction in the wild in Sonora as of 2011.

Type of Content: Reports, Papers, Journal Articles

Zone-tailed hawk flying from nest

Type of Content: Image Content

Phainopepla female

Type of Content: Image Content

Zone-tailed hawk flying

Type of Content: Image Content

Gilded flicker on saguaro

Type of Content: Image Content

Zone-tailed hawk on nest in saguaro

Type of Content: Image Content

12-Month Finding on a Petition To List the Cactus Ferruginous Pygmy-Owl as Threatened or Endangered With Critical Habitat

Oct. 5th, 2011 finding by the U.S. Fish and Wildlife Service that the cactus ferruginous pygmy-owl (Glaucidium ridgwayi cactorum) does not warrant protection from the Endangered Species Act....

Type of Content: Reports, Papers, Journal Articles

Red-tailed hawk landing on saguaro

Type of Content: Image Content

Pair of black-throated sparrows on Celtis pallida

Type of Content: Image Content

Western screech-owl in saguaro cavity

Type of Content: Image Content

Pyrrhuloxia

Type of Content: Image Content

Black-throated sparrow

Type of Content: Image Content

Black-throated sparrow

Type of Content: Image Content

Black-tailed gnatcatcher spreading tail

Type of Content: Image Content

Black-tailed gnatcatcher

Type of Content: Image Content

Western screech-owl

Type of Content: Image Content

Distribution of Birds and Plants at the Western and Southern Edges of the Madrean Sky Islands in Sonora, Mexico

The western and southern edges of the Madrean Sky Island region are poorly defined and have received little study. After exploring mountains in these areas, we documented range extensions and...

Type of Content: Reports, Papers, Journal Articles

rufous-capped warbler

This bold warbler prefers lush thorn-scrub canyons. It commonly forages in the understory or even at ground level.

Type of Content: Species Profile

cactus ferruginous pygmy-owl

The cactus ferruginous pygmy-owl (CFPO) or Glaucidium brasilianum cactorum is a small owl (6.5 inches) that
reaches the northern end of it's range in southern Arizona. It is locally common...

Type of Content: Species Profile

northern crested caracara

The northern crested caracara is widespread in Sonora's lower country, including much of the Sonoran Desert, semi-desert grasslands, and thorn-scrub. It is uncommon in Arizona except on the...

Type of Content: Species Profile