Field measurements reveal exposure risk to microplastic ingestion by filter-feeding megafauna

SR Kahane-Rapport, MF Czapanskiy… - Nature …, 2022‏ - nature.com
Microparticles, such as microplastics and microfibers, are ubiquitous in marine food webs.
Filter-feeding megafauna may be at extreme risk of exposure to microplastics, but neither the …

Brain activity of diving seals reveals short sleep cycles at depth

JM Kendall-Bar, TM Williams, R Mukherji, DA Lozano… - Science, 2023‏ - science.org
Sleep is a crucial part of the daily activity patterns of mammals. However, in marine species
that spend months or entire lifetimes at sea, the location, timing, and duration of sleep may …

Self‐Powered Underwater Force Sensor Based on a T‐Shaped Triboelectric Nanogenerator for Simultaneous Detection of Normal and Tangential Forces

Y Hou, X Dong, D Li, D Shi, W Tang… - Advanced Functional …, 2023‏ - Wiley Online Library
The force distribution in the oceans, which cover 71% of the Earth's surface, is relatively
unknown compared to the cosmos between Earth and 13.8 billion light years away due to …

Classification of behaviors of free-ranging cattle using accelerometry signatures collected by virtual fence collars

E Versluijs, LJ Niccolai, M Spedener… - Frontiers in Animal …, 2023‏ - frontiersin.org
Precision farming technology, including GPS collars with biologging, has revolutionized
remote livestock monitoring in extensive grazing systems. High resolution accelerometry can …

Minke whale feeding rate limitations suggest constraints on the minimum body size for engulfment filtration feeding

DE Cade, SR Kahane-Rapport, WT Gough… - Nature Ecology & …, 2023‏ - nature.com
Bulk filter feeding has enabled gigantism throughout evolutionary history. The largest
animals, extant rorqual whales, utilize intermittent engulfment filtration feeding (lunge …

Oceanic giants dance to atmospheric rhythms: Ephemeral wind‐driven resource tracking by blue whales

JP Ryan, KJ Benoit‐Bird, WK Oestreich, P Leary… - Ecology …, 2022‏ - Wiley Online Library
Trophic transfer of energy through marine food webs is strongly influenced by prey
aggregation and its exploitation by predators. Rapid aggregation of some marine fish and …

Deployment of biologging tags on free swimming large whales using uncrewed aerial systems

DN Wiley, CJ Zadra… - Royal Society …, 2023‏ - royalsocietypublishing.org
Suction-cup-attached biologging tags have led to major advances in our understanding of
large whale behaviour. Getting close enough to a whale at sea to safely attach a tag is a …

Direct measurement of cruising and burst swimming speeds of the shortfin mako shark (Isurus oxyrinchus) with estimates of field metabolic rate

MJ Waller, N Queiroz, I da Costa, T Cidade… - Journal of Fish …, 2023‏ - Wiley Online Library
The shortfin mako shark is a large‐bodied pursuit predator thought to be capable of the
highest swimming speeds of any elasmobranch and potentially one of the highest energetic …

Equipment to tag, track and collect biopsies from whales and dolphins: the ARTS, DFHorten and LKDart systems

L Kleivane, PH Kvadsheim, A Bocconcelli, N Øien… - Animal …, 2022‏ - Springer
Of all animals considered subjects for instrumentation for behavioral or physiological
studies, cetaceans probably represent the greatest challenge to the engineer and biologist …

Blue whales increase feeding rates at fine-scale ocean features

JA Fahlbusch, MF Czapanskiy… - … of the Royal …, 2022‏ - royalsocietypublishing.org
Marine predators face the challenge of reliably finding prey that is patchily distributed in
space and time. Predators make movement decisions at multiple spatial and temporal …