Mark Zarn

• Wild, free-roaming burros
• Ecological characteristics of pinyon-juniper woodlands on the Colorado Plateau
• Burrowing owl, Speotyto cunicularia hypugaea
• Ecological characteristics of pinyon-juniper woodlands on the Colorado Plateau
• Habitat management series for unique or endangered species
• Osprey, Pandion haliaetus carolinensis
• Osprey, Pandion haliaetus carolinensis
• Rough-legged hawk (Buteo lagopus sanctijohannis)
• Spotted owl, Strix occidentalis
• Wild ungulate forage requirements
• Wild ungulate forage requirements
• Wild, free-roaming burros