Approximately 3.5 feet (1 meter)
Large, robust body with long wings and strong talons
Up to 2 meters (6.6 feet)
Thick and cylindrical
30 to 80 centimeters
Cod-like body with a slightly elongated shape
30-110 cm
Elongated, slimy
Up to 10 cm
Elongated
Up to 10 meters
Streamlined
6-12 cm
Stocky and compressed
23-27 cm
Compact and sturdy
10-12 mm
Medium-sized, robust body
Up to 8 feet (2.4 meters)
Flat and laterally compressed
5 to 35 millimeters
Long and slender
18-20 inches
Medium-sized bird with a compact, well-balanced body
Up to 20 feet (6 meters)
Cylindrical and slender
Can reach lengths of up to 50 centimeters
Flat and elongated
11 to 14 cm
Small bird with a slender build
Approximately 2-5 inches (5-13 cm)
Small, round body with short legs
1.4 - 1.9 meters
Streamlined body with a small head and a stubby, triangular dorsal fin
5 to 6 feet