The distribution and density of pelagic megafauna (marine mammals, seabirds,
elasmobranches, and sea turtles) are important indicators of marine biodiversity, reflecting …

Abstract effort, or a combination of the two. Because of the paucity of data, this study
supports the growing The killer whale (Orcinus orca) is a cosmopolitan importance of citizen …

Oligotrophic regions are expected to host low densities of top predators. Nevertheless, top
predators with contrasting energetic costs might respond differently to the productivity of their …

As human activities expand beyond national jurisdictions to the high seas, there is an
increasing need to consider anthropogenic impacts to species inhabiting these waters. The …

Aim Our knowledge of cetacean distributions is impeded by large data‐gaps worldwide,
particularly at tropical latitudes. This study aims to (1) find generic relationships between …

The distribution of wild animals and their monitoring over large areas raises many logistical
and technical difficulties that hinder the collection of observation data. The use of …

Investigating the feeding ecology of marine predators is critical for understanding their roles
and functional importance in ecosystems. However, assessing the diet of large and wide …

Seabird distributions and the associated seasonal variations remain challenging to
investigate, especially in oceanic areas. Recent advances in telemetry have provided …

Marine mammal stranding events are used as an important tool for understanding cetacean
biology worldwide. Nonetheless, there are vast gaps of knowledge to be filled in for a wide …

Manta ray (Manta birostris) is the largest ray species, but little information is available
regarding its biology, distribution and migratory pattern. During an aerial survey conducted …