Historically what has been used to estimate bats has been photographic
estimates, visual estimates, mark-recapture estimates, and those have been
highly prone to bias. “Newer technology, like thermal imaging cameras is
accurate, but expensive. So at a time of epic bat mortality-due to, for example,
the fungal white nose syndrome that’s wiping out bats in Canada and the U.S”
Steeeve
Historically what has been used to estimate bats has been photographic estimates, visual estimates, mark-recapture estimates, and those have been highly prone to bias. “Newer technology, like thermal imaging cameras is accurate, but expensive. So at a time of epic bat mortality-due to, for example, the fungal white nose syndrome that’s wiping out bats in Canada and the U.S”