Up to 1.3 meters (4.3 feet)
Large, bulky
Up to 60 feet
Large, streamlined
Up to 5.5 meters (18 feet)
Large, bulky body with a wide head and small eyes
Up to 75 cm
Large and elongated
Up to 6 meters
Gigantic and robust
Up to 3 meters (9.8 feet)
Large, heavy-bodied
Up to 10 feet
Streamlined and elongated
20-28 inches (50-70 cm)
Medium-sized waterfowl with a streamlined body and a long, slender beak.
Up to 25 inches
Lizard-like
2-5 feet
Slender and elongated
2.3 - 3.3 ft (71 - 100 cm)
Large and powerful
Up to 6 inches (15 cm)
Large and stocky with a hairy body and long legs
9-12 centimeters
20-30 cm (8-12 inches)
Cylindrical and elongated
Around 1 meter (3.3 feet)
Small, bird-like
Up to 2 feet
Medium-sized and stocky
65-90 cm
Medium-sized and slender
2 to 4 feet
Slender and cylindrical