1. Thursdays

Roy P. Drachman-Agua Caliente Park, 12325 E. Roger Road, is a hotbed of activities. From 8 to 9:30 a.m. Thursdays, it offers a guided walk to spot wetland birds, hummingbirds, songbirds and raptors. Binoculars are available for use or bring your own. Free. 615-7855.

2. Saturday

A reception for “The Golden Variations: The Theme is Light” is 2 to 4 p.m. at the Kirk-Bear Canyon Library, 8959 E. Tanque Verde Road. The exhibit, featuring black-and-white photography by Ben Golden, runs 10 a.m.-8 p.m. Monday-Thursday; 10 a.m.-5 p.m. Friday; 9 a.m.-5 p.m. Saturday; and 1-5 p.m. Sunday through April 30. Free. 594-5275.

3. Saturday

Desert Artisans’ Gallery, which is owned by local artists, is holding a one-day sidewalk art sale from 9 a.m. to 3 p.m. at 6536 E. Tanque Verde Road. Free to browse. 722-4412.

4. Saturday

Gardeners from all over look forward to the spring plant sale at the Pima County Cooperative Extension, 4210 N. Campbell Ave. Including a variety of cacti and succulents, blackberries, herbs, ground covers, vines and fruiting and landscape, the sale runs 8-11 a.m. Free to browse, but bring money if you want to buy plants. 626-5161.

5. Sunday

The name says it all: Drink Wine for No Kill Pima County. The event, from 4 to 6 p.m. at CataVinos Wine Shoppe & Tasting Room, 3063 N. Alvernon Way, includes six tastings, snacks and raffle prizes for people and pets — though pets aren’t invited. $20; $10 nonwine-drinking. 477-7401.