Refine Results
Region
Topic
Species Category

Publications

Research

120 resources match your filter criteria.

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

The sperm whale population in the Gulf of America (formerly Gulf of Mexico) is primarily composed of social groups, which account for 92 to 98% of the overall population.
July 07, 2025 - Peer-Reviewed Research ,
Southeast

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

Population Size Estimate for North Atlantic Right Whales

Population size estimation of North Atlantic right whales from 1990-2023.
October 22, 2024 - Peer-Reviewed Research ,
New England/Mid-Atlantic
North Atlantic right whale Archipelago and calf

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

Common bottlenose dolphin (Tursiops truncatus) abundance and distribution patterns in St Andrew Bay, Florida, USA

The goals of this study were to conduct photographic‐identification surveys during 2015 and 2016 to determine abundance, distribution, and site fidelity of common bottlenose dolphins in the St Andrew Bay Bays, Sounds and Estuary (BSE) Stock over four primary periods (July and October 2015, and April and October 2016).
January 08, 2024 - Peer-Reviewed Research ,
Southeast