Western burrowing owl

Athene cunicularia hypugaea

Habitat: Grasslands, open; elevation up to 5,300 feet

Survey Window: Feb 15–Jul 15
• Four crepuscular (dawn and dusk) surveys, 500-foot buffer as legally able, 7- to 10-meter transects
• Feb 15–Apr 15: One survey
• Apr 16–Jul 15: Three surveys with 3-week interval between surveys
• Pre-construction surveys required in suitable habitat within 30 days of ground disturbing activities