thurs. 21 .Polar Bites - Fundraiser for the Buffalo Zoo with gourmet food, wine and beer. The event will also feature a silent auction and a visit with some zoo "Animal Ambassadors," 6-9 p.m. Thursday, Feb. 21, Buffalo Convention Center, 153 Fr anklin St., Buffalo; $. 995-6131, www.buffalozoo.org sat. 23 .Beach Party - 1-3 p.m. Saturday, Feb. 23 with DJ Dennis, and ice cream contest for adults with a $100 Eastern Hills Mall gift card prize, noon, in front of Sears, Eastern Hills Mall, 4545 Transit Road, Williamsville. 633-1600, www.shopeasternhills.com .Sumptuous Saturday Cabaret at the Alt - "Flaunting Prudence 39.9" by Amy Taravella, 8 p.m. Saturday, Feb. 23, Alt Theatre, 255 Great Arrow Ave., Th i rd Floor, Buffalo; $. 868-6847