10-18 mm
Medium-sized
Up to 3 feet
Tall and slender
Stocky body with a slightly upturned snout
Approximately 40-60 cm
4-7 cm
Stocky and compact
4-5 centimeters
Small, compact
Adults can grow up to 23 to 35 inches (60 to 90 cm) in length, with an additional tail length of 4 to 10 inches (10 to 25 cm).
Stocky with a broad body, short legs, and a short, flat tail.
Approximately 1.2 to 1.6 cm (0.5 to 0.6 inches)
Slender and long
55-60 cm
Medium-sized with broad wings
7.5 to 8 inches
Small, slender body with a long, slightly curved beak
2.6 to 3.5 meters
Large, robust bodies with elongated snouts and short flippers
Up to 1.5 meters
Slender with a distinct hook-shaped snout
25-29 cm (9.8-11.4 inches)
Medium-sized bird with a long, slender, and slightly curved bill
Variable
Compact and sturdy
Up to 3.3 feet (1 meter)
Elongated body with a broad head and a blunt snout
45-150 cm
Large and robust
Up to 30 centimeters
Short and stocky
1.5 to 2.5 inches
