Up to 35 inches (90 cm)
Snake-like, elongated body
Approximately 2-5 inches (5-13 cm)
Small, round body with short legs
4-12 inches
Oval and laterally compressed
6 to 8 feet
Streamlined and paddle-shaped snout
12 to 24 inches
Medium-sized and slender
120 – 150 cm
Short and stocky
Up to 5 feet
Flattened
22 to 26 inches (55 to 66 cm)
Medium-sized and muscular
10-16 inches (25-40 cm)
Medium-sized, oval-shaped
2 to 25 millimeters
Slender and elongated body with six long legs
60 to 90 cm
Large and robust
5 to 6 inches
Slender and elongated
46-56 cm (18-22 inches)
Medium-sized dabbling duck
Average length is 20-50 inches
Slender and elongated with a streamlined body
30 to 40 inches
Streamlined and fusiform
About 15 feet
Streamlined and cylindrical
Approximately 6 meters
Large, with a long neck, beak, and wings
Up to 12-15 inches (30-38 cm)
Tall and oval-shaped
