22-26 inches
Medium to large-sized
10.5 to 13 cm (4.1 to 5.1 inches)
Small and slender with a long tail
5.5 - 6.3 inches (14 - 16 cm)
Small-sized bird with a stocky build and a cone-shaped bill
Up to 6 feet
Large, stocky body with a thick tail
9-12 inches (23-30 cm)
Medium-sized bird with a crest on the head
18-21 inches
Medium-sized
18-22 inches (45-55 cm)
Medium-sized and muscular
55 - 61 cm
2 to 4 feet
Slender and elongated
Up to 11 feet
Streamlined and tapering
Approximately 6.3 inches (16 centimeters)
Small and compact
30 cm (11.8 inches)
Oval and laterally compressed
11.5 - 12.5 cm (4.5 - 5 inches)
Small, round
Up to 30 meters
Streamlined
5 to 8 inches
Small and round with eight arms
Up to 10 feet (3 meters)
Streamlined and torpedo-shaped
Up to 39 inches
Streamlined, elongated
4-12 inches (10-30 cm)
Deep-bodied