Length: 12-18 cm (4.7-7 inches)
Wingspan: 19-25 cm (7.5-10 inches)
Weight: 24-40 grams (0.8-1.4 ounces)
Body: Small, plump, and compact
Beak: Short, thick, cone-shaped
Feathers: Brown, gray, and white with streaks
Flight: Quick, fluttery, and agile
Tail: Short and square-tipped
Legs: Thin and strong, pinkish or grayish
Eyes: Dark, round, and alert-looking