Choose one of two trails according to skill level and time available, then visit a menagerie of desert reptiles, animals and arachnids who inhabit the park, from 9 a.m. to noon, Saturday, Jan. 11. Meet at the Chase Bank parking lot at 8:30 a.m., for a wristband good for discounted admission to the park. Call 229-5052 or 628-5798 for more information.