Arizona-Specific Survey Dates

Arizona Survey Dates

Arizona-Specific Survey Dates 2023


Arizona deserts (i.e. lower elevations and latitudes where you might anticipate Lesser Nighthawks): April 27 to May 4 OR May 28 to June 2 (only survey in April if route is below 1000 feet in elevation).

Northern Arizona and high elevations in SE Arizona (i.e., where you might get Mexican Whip-poor-wills and/or Common Nighthawks): May 28 to June 2 OR June 27 to July 2

The sun must have set and the moon must at least be a half-moon and visible and/or above the horizon.