Tracy Aviary is offering festive sweat shirts for sale during the Christmas season. The shirts are available in white, red or green with the words "Flocked Trees" on the front.

Adult sizes are available for $18 and youth sizes for $15. The aviary, which uses proceeds from the sales to help with operating costs, also offers T-shirts for $9, $7 and $6.Shirts are available at the aviary office in Liberty Park from 9 a.m. to 4:30 daily, including weekends. The aviary will be closed on Christmas, however.

Also offered are bumper stickers for $1. The stickers are free, however, with aviary memberships, which run $10 for individuals and $20 for families. Membership allows free admission to bird shows and discounts on various classes, workshops and other special events. For more information call 596-5034.