1 cm to 20 cm
Worm-like
Up to 26 meters
Elongated
20-25 cm
Upright posture, small body with large breast
3-5 centimeters
Slender body, long legs, large wings
9-12 cm
Small and compact
3 to 5 feet
Cylindrical
12 to 18 mm
Round and fuzzy
2.5 to 3.4 meters (8.2 to 11.2 feet)
Slender and streamlined
39.5 to 43.5 cm (15.6 to 17.1 in)
Slim and agile
65-80 centimeters
Large and strong
4 to 6.25 feet (1.2 to 1.9 meters)
Sleek and muscular
45-70 cm
Small and slender
2 to 4 inches (5 to 10 centimeters)
Slender body with long legs
8-10 inches
Small and stout
8-14 inches
Slender and elongated
Up to 3.8 meters
Long and slender
Up to 6.5 feet (2 meters)
Slender, elongated body with a flattened head and broad pectoral fins
Up to 24 inches (60 cm)
Dome-shaped