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121 resources match your filter criteria.

Population Size Estimate for North Atlantic Right Whales

Population size estimation of North Atlantic right whales from 1990-2024.
December 02, 2025 - Peer-Reviewed Research ,
New England/Mid-Atlantic
North Atlantic right whale Archipelago and calf

Blue and Fin Whales in the Northern Mariana Islands: Their Call Characteristics and Occurrence

Peer-reviewed journal article published in PLOS One about blue whales and fin whales and their call or vocalization characteristics and occurrences.
August 25, 2025 - Peer-Reviewed Research ,
Pacific Islands

Killer Whales in the Gulf of Mexico and North Atlantic Off the Southeastern United States

Killer whales occur in the Gulf of Mexico and the North Atlantic, including off the southeastern United States. Data from cetacean surveys during 1990–2021 and other sources were combined to assess killer whale biology, including spatial and temporal distribution, social structure, genetics, morphology, acoustics, and predatory behavior.
January 06, 2025 - Peer-Reviewed Research ,
Southeast

A Decade of Declines in Toothed Whale Densities Following the Deepwater Horizon Oil Spill

We document decadal density declines for seven of eight monitored species groups, including sperm whales, beaked whales, and dolphins.
December 21, 2024 - Peer-Reviewed Research ,
Southeast

Accounting for Sperm Whale Population Demographics in Density Estimation Using Passive Acoustic Monitoring

The sperm whale population in the Gulf of Mexico is primarily composed of social groups, which account for 92 to 98% of the overall population.
October 08, 2024 - Peer-Reviewed Research ,
Southeast

Four Decades of Hawaiian Monk Seal Entanglement Data Reveal the Benefits of Plastic Debris Removal

Large-scale and sustained removal of abandoned, lost, or otherwise discarded fishing gear meaningfully benefits marine ecosystems and has the potential to be transformational in restoration efforts.
September 30, 2024 - Peer-Reviewed Research ,
Pacific Islands

Underwater Soundscapes Within Critical Habitats of the Endangered Hawaiian Monk Seal: Implications for Conservation

We measured ambient noise levels and characterized sound sources at 4 shallow critical habitats of the Hawaiian Monk Seal.
July 05, 2024 - Peer-Reviewed Research ,
Pacific Islands

Understanding Perceptions That Drive Conflict Over the Endangered Hawaiian Monk Seal

The importance of resource managers articulating their own assumptions and values, and to work to understand the assumptions and values of those who may be affected by successful monk seal recovery efforts, to develop effective strategies that prevent and address conflict over this recovering endangered species.
July 03, 2024 - Peer-Reviewed Research ,
Pacific Islands

Publications by Northeast Passive Acoustics Branch Staff

We regularly publish their findings in scientific journals and Center-produced documents.
April 01, 2024 - Peer-Reviewed Research ,
New England/Mid-Atlantic

Common Bottlenose Dolphin Ecotypes of the Western North Atlantic Revisited

Research proposing the recognition of a distinct species of coastal bottlenose dolphin.
March 15, 2024 - Peer-Reviewed Research ,
New England/Mid-Atlantic
Southeast