Personalized Funny Bird Lover Bird Watching Long Sleeve T-Shirt. This hilarious bird watching slogan is perfect for a birding trip or for anyone who loves birds. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL