250,000 to 400,000 Mexican Free-Tailed Bats have arrived in Mission!
The mosquito eating bats are living in the crevasses of the overpass at the corner of Conway and Expressway 83 and you can see them take flight, nightly:
http://www.krgv.com/story/34942696/migrating-bats-help-against-disease-carrying-mosquitoes
In other stories, if you need home service for bat exclusion checkout the link for more information.