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 "
PTELook at the text below. In 35 seconds, you must read this text aloud as naturally and clearly as possible. You have 35 seconds to read aloud.
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Beginning in 35 seconds.