Biblioteca

Sea turtles experienced myriad human impacts during the twentieth century that caused extreme mortality across all seven species. Extensive conservation...

We report the first confirmed occurrence of the rough-toothed dolphin (Steno bredanensis) in mainland waters of Ecuador. The...

Understanding the genetic consequences of migratory behavior and drastic population contractions is essential for the conservation of baleen whales. Here...

Vessel strike is recognized as a major modern threat to the recovery of large whale populations globally, but the issue...

Soundscapes with minimal anthropogenic noise sources are key for the survival and effective communication of marine mammals. The Gulf of...

Interactions between whale-watching boats and cetaceans can lead to changes in their behavior. From a management perspective, it is important...

A twenty-five year old dataset of parasites in long-beaked and short-beaked common dolphins (Delphinus spp.), using fisheries as an opportunistic...

We report a new mark-recapture-based population estimate for the humpback whale Breeding Stock G (BSG), defined by breeding grounds on...

Understanding the migratory patterns of large whales is of conservation importance, especially in identifying threats to specific populations. Migration ecology...

This study evaluated the behavioral responses of humpback whales (Megaptera novaeangliae) to whale pingers (3-20 kHz) in northern...

Endangered species are grouped into genetically discrete populations to direct conservation efforts. Mitochondrial control region (mtCR) haplotypes are used to...

Chondrichthyan fishes (sharks, rays and chimaeras) are a group of high conservation concern globally. Species are impacted by varying threats...

Galapagos sharks (Carcharhinus galapagensis) are a large species belonging to the family Carcharhinidae, with poorly understood biology...

Juvenile blacktip sharks (Carcharhinus limbatus) are highly abundant in the mangrove-fringed bays throughout the Galapagos Archipelago, utilizing these...

Detection of plastic debris degrading into micro particles across all oceanic environments and inside of marine organisms is no longer...

Significant progress has been made in advancing priority actions to conserve manta and devil rays, yet implementation and enforcement of...

Statistical of baseline and species-specific data are largely unavailable for several elasmobranchs (e.g., sharks, skates, and rays). Populations of many...

The Pacific Ocean supports two leatherback sea turtle populations, each of which is Critically Endangered primarily as a result of...

Amidst global declines in elasmobranch populations resulting predominantly from overfishing, the need to gather data regarding shark ecology is greater...

The Mobulidae family comprises nine extant manta and devil ray (mobulid) species in the monogeneric genus Mobula, of...

The Galapagos Marine Reserve supports cetaceans such as blue whales by providing essential foraging areas and resting areas. From 2021...

Various species of cetaceans annually visit the Pacific coast of Colombia. Some only visit sea-sonally, while others are present throughout...

We review and document scientific publications on marine mammal bioacoustics in Latin America between 1971 and 2021, showing early scarcity...

Ecotourism focused on whales and dolphins has become a popular activity and an important source of revenue for many countries...

Song evolution and revolution events recorded through time are typical cultural features for humpback whale (Megaptera novaeangliae) populations worldwide. However...

Documenting marine mammal strandings provides important information needed to understand the occurrence and distribution patterns of species. Here, we report...

Although dolphins are mostly known to form single species groups of varying size, occasionally they aggregate in mixedspecies groups. The...

The Eastern South Pacific Right Whale (SRW) (Eubalaena australis) population has gained interest due to its Critically Endangered...

The distribution of the long-beaked and short-beaked common dolphin morphs in the eastern South Pacific is not well dened. The...

The common dolphin (Delphinus spp.) is widely recognized as one of the most abundant and geographically widespread cetacean...

The humpback whales (Megaptera novaeangliae) of the Southern Hemisphere migrate long distances from their feeding grounds in Antarctic waters to...

The common bottlenose dolphin (Tursiops truncatus) is widely distributed across tropical and temperate watersworldwide (Wells et al., 2019; Wells &...

Defining demographically independent units and understanding patterns of gene flow between them is essential for managing and conserving exploited populations...

Species distribution models have been widely used in both terrestrial and marine systems, and applications have included invasive species management...

The Pacific coast of Colombia is characterized by mangrove ecosystems which play a crucial role as possible nurseries for juvenile...

El cambio climático es una emergencia medioambiental que amenaza a especies y ecosistemas en todo el mundo. Los océanos han...

A long-term study of a common bottlenose dolphin (Tursiops truncatus) population inhabiting the Gulf of Guayaquil, Ecuador (2°33′...

Skull shape analysis provides useful information on wildlife ecology and potential local adaptations. Common bottlenose dolphins (Tursiops truncatus)...

Orcas (Orcinus orca) are the top marine predators of the ocean, targeting multiple taxa including teleost fishes, elasmobranchs...

The whale shark (Rhincodon typus) is an endangered and highly migratory species, of which solitary individuals or aggregations...

Whale sharks (Rhincodon typus) are found circumglobally in tropical, subtropical, and warm temperate waters, and their known seasonal...

Patterns of genetic structure in highly mobile marine vertebrates may be accompanied by phenotypic variation. Most studies in marine turtles...

Seasonal and interannual (El Niño–La Niña) variations in dolphin distributions in the eastern tropical Pacific Ocean have not been quantified...

The sperm whale lives in most deep ice-free waters of the globe. It was targeted during two periods of whaling...

Climatic variability changes ocean productivity and generates systematic cascading effects in marine food webs. Studying the feeding ecology of top...

Located in the eastern tropical Pacific, the Galápagos Islands are an oceanic insular ecosystem subject to strong environmental variability driven...

The human ingestion of mercury (Hg) from sea food is of big concern worldwide due to adverse health effects, and...

Fish aggregating devices (FADs) are floating objects typically used to attract and capture pelagic fish in industrial tuna fisheries. This...

The use of small cetaceans as bait is a practice that has been reported worldwide, affecting the conservation status of...

A pesar de ser una especie conspicua en la costa central de Perú (~12°S), existe poca información sobre el estado...

Fjord ecosystems serve as crucial habitats for elasmobranchs, supporting them across all life stages. Chilean Patagonia provides one of the...

This preliminary note briefly reports on cetacean strandings and interactions with fishing nets (mostly gillnets) on the Ecuadorian coast. Between...

The presence of the offshore bottlenose dolphin (Tursiops truncatus) is poorly understood for most of the southeast Pacific Ocean. Its...

We succinctly summarize population ID information for common bottlenose dolphins Tursiops truncatus of the Pacific coast of South America, covering...

Variation in dorsal fin morphology was assessed in five bottlenose dolphin (Tursiops truncatus) populations from the Southeast Pacific...

Here, we report the first sighting records of Bryde's whales in Nicaragua. Four sightings were made in 2022 during boat-based...

The conservation and management of marine ecosystems hinge on a comprehensive understanding of the status and trends of top predators...

Metabarcoding studies using environmental DNA (eDNA) and high-throughput sequencing (HTS) are rapidly becoming an important tool for assessing and monitoring...

Monitoring large marine mammals is challenging due to their low abundances in general, an ability to move over large distances...

Anthropogenic activities and climate change are affecting marine ecosystemsworld-wide, but systematic biodiversity assessments through periodic biomoni-toring can be challenging and...

Humpback whales, Megaptera novaeangliae, are a highly migratory species exposed to a wide range of environmental factors during their...

The natural world is inherently noisy, and animals that communicate acoustically must evolve ways of ensuring signal transmission
fidelity in...

We implemented Machine Learning (ML) techniques to advance the study of sperm whale (Physeter macrocephalus) bioacoustics. This entailed...

Sperm whale society is structured into clans that are primarily distinguished by vocal dialects, which may be symbolic markers of...

Cultural transmission of behaviour is an important aspect of many animal communities ranging from humans to birds. Male humpback whales...

Humpback whales undertake one of the longest known migrations of any mammal. While their migration route generally extends between latitudes...

Machine learning has been advancing dramatically over the past decade. Most strides are human-based applications due to the availability of...

Acoustic communication is an important aspect of reproductive, foraging and social behaviours for many marine species. Northeast Pacific blue whales...

Worldwide, the frequency (pitch) of blue whale (Balaenoptera musculus) calls has been decreasing since first recorded in the...

Los eventos de varamientos de mega vertebrados se están reportando con mayor frecuencia en los últimos años. La costa peruana...

Marine traffic is increasing globally yet collisions with endangered megafauna such as whales, sea turtles, and planktivorous sharks go largely...

Concern about the effects of maritime vessel collisions with marine animals is increasing worldwide. To date, most scientific publications on...

Historical accounts of large whales in Peruvian waters existed before modern commercial whaling. Research on baleen and sperm (Physeter...

The coastal form of pantropical spotted dolphins (Stenella attenuata graffmani) is commonly found along the Pacific coast of...

Residency of the whitetip reef shark (Triaenodon obesus) in Chatham and Wafer Bays, Isla del Coco National Park...

Information on the life history and demographics of oceanic manta rays Mobula birostris remains scarce. Using photo-ID data, we describe...