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Message: <blockquote data-quote="bioscope" data-source="post: 3824284" data-attributes="member: 140235">Yes, that was a very interesting experience shown with a thermal-scope. The technical side going further, so meantime there are 12-micrometer sensors available. (I'm looking for news most in a forum for hunters)The post is from twelve months ago, but it described the difference between detecting and identifying of so little birds with so much less heat than a big mammal. But the shown common snipe detecting is awesome, I wished this can happen with Jack snipes… But beside the size of the sensors, also the sensitivity increase - perhaps they can use also in spring-time for birds.Detecting bats may be successful also with thermal units, which are not state-of-the-art. So look at <a href="https://www.facebook.com/LubeeBatConservancy/videos/vb.112161438813494/926646747725937/?type=2&theater" target="_blank">this vid</a> , but I don't think this is very favorable, because detecting bats is better with bat-detectors. But shurely it looks funny. There are a lot more videos for 'thermal-scopes and bats' on youtube.You've to decide, if detecting birds and bats is enough for you, because in most cases the identifying of the animals is needed.thermal greetingsManfred</blockquote>