Results 71 to 80 of about 7,032 (197)

Validation of aerial photogrammetry methods to measure body size, condition and mass in small cetaceans

The Journal of Physiology, Volume 604, Issue 5, Page 1788-1808, 1 March 2026.
Abstract figure legend Unoccupied aerial vehicle (UAV)‐based photogrammetry provides measurements equivalent to traditional hand measurements in bottlenose dolphins. Mass estimates derived from UAV measurements closely match the true body mass of live individuals.
Riccardo Cicciarella, Erik P. Willems, Benjamin Markham, Manuela R. Bizzozzero, Wayne Phillips, Simon J. Allen, Michael Krützen, Fredrik Christiansen   +7 more
wiley   +1 more source

Factors associated with the differential distribution of cetaceans linked with deep habitats in the Western Mediterranean Sea

Scientific Reports, 2022
Deep-habitat cetaceans are generally difficult to study, leading to a limited knowledge of their population. This paper assesses the differential distribution patterns of three deep-habitat cetaceans (Sperm whale—Physeter macrocephalus, Risso’s dolphin ...
Estefanía Torreblanca, José-Carlos Báez, Raimundo Real, David Macías, Salvador García-Barcelona, Francisco Ferri-Yañez, Juan-Antonio Camiñas   +6 more
doaj   +1 more source

DNA extraction from formalin-fixed Franciscana tissues [PDF]

, 2002
The present paper reports the extraction of DNA from formalin-fixed Pontoporia blainvillei tissues. Following the Vachot and Monerot (1996) protocol, fragmented DNA (300-700bp) was extracted from more than 95% of liver and muscle samples.
Bastida, R., Olsson, P. E., Rodríguez, D.   +2 more
core   +2 more sources

Climate Change, Local Harvests and Marine Contamination: A Perspective on Cetacean Populations and Coastal Whaling Communities

Aquatic Conservation: Marine and Freshwater Ecosystems, Volume 36, Issue 2, February 2026.
ABSTRACT Cetaceans are indicators of ocean health, influence marine ecosystem dynamics and hold socio‐economic importance for coastal whaling communities. Yet whale–whaler relationships remain poorly understood and are increasingly compromised under the triple planetary crisis of climate change, biodiversity loss and pollution. Here, we briefly outline
Melissa A. McKinney, Jeremy J. Kiszka
wiley   +1 more source

First At‐Sea Identifications of Ginkgo‐Toothed Beaked Whale (Mesoplodon ginkgodens): Acoustics, Genetics, and Biological Observations Off Baja California, México

Marine Mammal Science, Volume 42, Issue 1, January 2026.
ABSTRACT In 2024, an expedition was conducted off northwestern Baja California, México, to find and identify the beaked whale species that produced the BW43 echolocation pulse previously recorded in this area and elsewhere in the North Pacific. There were five Mesoplodon sightings and 21 BW43 acoustic detections on both a towed array and drifting pole ...
E. Elizabeth Henderson, Lisa T. Ballance, Gustavo Cárdenas‐Hinojosa, Jay Barlow, Annamaria I. DeAngelis, Sergio Martínez‐Aguilar, Craig Hayslip, L. Todd Pusser, Mario Márquez Segovia, C. Scott Baker, Debbie Steel, Rodrigo Huerta‐Patiño, Luis Manuel Enriquez Paredes, Robert L. Brownell Jr, Robert L. Pitman   +14 more
wiley   +1 more source

Stanford oceanographic expedition 17, Galapagos Islands and vicinity, 22 February-23 March 1968: observations on birds, the Galapagos fur seal, and cetaceans [PDF]

, 1968
1. Systematic list of birds (pp. 23-31) 2. Observations on the Galapagos fur seal, Arctocephalus australis galapagoensis Heller, 1904 (pp. 31-33) 3. Cetaceans observed (pp.
Baldridge, Alan
core  

Talking About the Weather: The Feasibility of Using Very High‐Resolution Optical Satellite Imagery to Monitor Live and Stranded Cetaceans Around the UK and UK Overseas Territories

Marine Mammal Science, Volume 42, Issue 1, January 2026.
ABSTRACT Monitoring live and stranded cetaceans can be expensive and logistically challenging, resulting in knowledge gaps. Very high‐resolution (VHR) optical satellites are considered a potential solution to addressing some of these gaps. Despite success at detecting live and stranded cetaceans, satellites have only been trialed on restricted ...
Penny J. Clarke, Hannah C. Cubaynes, Jennifer A. Jackson, Nicola L. Taylor, David W. Johnston, Asha de Vos, Peter T. Fretwell, Aliaksandra Skachkova, Gwawr Jones   +8 more
wiley   +1 more source

orcAI: A Machine Learning Tool to Detect and Classify Acoustic Signals of Killer Whales in Audio Recordings

Marine Mammal Science, Volume 42, Issue 1, January 2026.
ABSTRACT Acoustic monitoring is an essential tool for investigating animal communication and behavior when visual contact is limited, but the scalability of bioacoustic projects is often limited by time‐intensive manual auditing of focal signals. To address this bottleneck, we introduce orcAI—a novel deep learning framework for the automated detection ...
Sebastian Bonhoeffer, Anna Selbmann, Daniel C. Angst, Nicolas Ochsner, Patrick J. O. Miller, Filipa I. P. Samarra, Chérine D. Baumgartner   +6 more
wiley   +1 more source

Cetacean diversity on the Parnaiba Delta, Maranhão state, northeastern Brazil

Brazilian Journal of Biology
The increase in the research of cetacean surveys on the Brazilian coast has brought new data on the distribution of species never reported before. The present work reviews the current knowledge on cetaceans species and extends this knowledge with an ...
FA. Magalhães, CH. Tosi, RG. Garri, S. Chellappa, FL. Silva   +4 more
doaj   +1 more source

A Detailed Characterization of the Whistle Repertoire of Fraser's Dolphins (Lagenodelphis hosei) From the Lesser Antilles

Marine Mammal Science, Volume 42, Issue 1, January 2026.
ABSTRACT Fraser's dolphin (Lagenodelphis hosei) remains poorly studied due to its elusive behavior, rarity, and preference for deep offshore habitats. While dolphins use frequency‐modulated whistles for communication, detailed acoustic descriptions exist for only a few species.
Laura J. May‐Collado, Maia Austin, Lucas Bernier, Jeffrey Bernus, Beth Brady, Lauren Viegas, Eric A. Ramos   +6 more
wiley   +1 more source