***What if animals went batty and attacked humans?*** Animals at high altitudes go crazy in the Sierra Nevada Mountains due to exposure to ultraviolet radiation, the result of depletion of the ozone layer. A dozen hikers regrettably get dropped off up there by helicopter just before the quarantine is announced. The backpackers are played by the likes of Christopher George (the guide), Leslie Nielsen (a boorish exec), Lynda Day George (an anchorwoman), Richard Jaeckel (a professor) and Michael Ansara (an AmerIndian guide). “Day of the Animals” (1977) is a nature-strikes-back flick cut from...