Sounds of the Harbor Seal Harbor seals are recognized for emitting a diverse range of sounds, both beneath the water's surface and in the air. Their underwater vocalization is characterized as a roar. They can detect underwater tonal signals between 0.25 and 100 kHz. In addition, they generate brief barks, tonal honks, grunts, [...]

Cuvier's Beaked Whale Sounds The Cuvier's beaked whale holds the record for the deepest plunge by a marine mammal. The deepest & longest recorded dive of a Cuvier's beaked whale is 9,816 feet (2,992 m) and 222 minutes, descending roughly the length of eight Empire State Buildings. Like other toothed whales, Cuvier's beaked [...]

Leopard Seal Sounds Leopard seals are quite the vocalists of the underwater world, especially during the austral summer. The males produce loud calls, for many hours each day. Their vocalizations can be categorized into two types: vocalizing, when they are making noises underwater, and silencing, which is the breathing period at the air [...]

Scalyfin Corvina Photo by Robinson R. LATIN NAME Cynoscion squamipinnis LENGTH 65 cm max. (25.5in) WEIGHT 3 kg max. (~6lbs) LIFETIME 2 to 3 years PHYSICAL TRAITS Color is generally silvery or greyish on the upper back. The tip of the lower jaw is dusky and the inside of the mouth [...]

Orca or "Killer Whale" Sounds Orcas are community animals, living in matrilineal pods - each with their distinct cultures and dialects. They hunt collaboratively, using social signals (squeaks, whistles, and chirps) as well as bursts of high-frequency bio-sonar, which we hear as buzzes and clicks. Bio-sonar are bursts of high-frequency energy which they [...]

Sounds of the Manatee Manatees, also known as sea cows, have a unique vocalization system. They use a variety of sounds or vocalizations to communicate with each other, especially between mothers and calves. These sounds range from squeaks and chirps to more complex sequences, and are used for various purposes such as maintaining [...]

Walrus Photo by Joe Garlich-Miller LATIN NAME Odobenus rosmarus LENGTH Males: 2.7m to 3.6m (9 ft - 12 ft) Females: 2.3m - 3.1m (7.5 ft - 10 ft) WEIGHT Males: 800kg - 1,700kg (1,764 lb - 3,748 lb) Females: 400kg - 1,250kg (882 lb - 2,756 lb) LIFETIME Approximately 40 years [...]

Ringed Seal Photo by NOAA Seal Survey LATIN NAME Pusa hispida LENGTH Average 1.5m (5 ft). Depending on the subspecies can be 100 cm to 175 cm (39.5 in to 69 in) WEIGHT 50 kg –70 kg (110 lb – 150 lb) LIFETIME 15 to 20 years PHYSICAL TRAITS This species [...]

Risso's Dolphin Vocalizations Risso's dolphins unusual (and beautiful) looking cetaceans also have a variety of unusual features in their acoustic repertoire. They produce burst-pulses (buzzes) and combine them with highly synchronized whistles. Their characteristic sounds place them closer to orcas than any other dolphin species! Listen to their vocalizations in the audiograph below. [...]

Pilot Whale Sounds Pilot whales are the second largest member of the dolphin family, after orcas. Their communication is a rich tapestry of sounds, each serving a unique purpose in their daily lives. Echolocation clicks act as their guiding light in the deep, aiding them in their search for food. Whistles and burst [...]

Weddel Seal Weddel Seal: Photo by robnunn on Flickr. LATIN NAME Leptonychotes weddellii LENGTH 2.5-3.5 m (8.2-11.5 ft) long WEIGHT 500 kg (1100 lbs) or less LIFETIME About 20 years PHYSICAL TRAITS Their coat is mottled with large darker and lighter patches, upturned 'smiling' mouths BEHAVIOR Deep dives, which may reach [...]