State quarantine directives related to the New World screwworm have led Austin Wildlife Rescue to stop accepting birds and mammals from seven Texas counties, CBS Austin reported. What's happening? Under Texas Animal Health Commission quarantine orders, Austin Wildlife Rescue said it will not take in mammals or birds from Gillespie, Kerr, Kimble, La Salle, Uvalde, Webb, and Zavala counties. It said reptiles from those counties, including turtles,…