Biologging Research
Manufacturer-written digests of what recent studies and observations using the LoggLaw series have revealed — with key takeaways and sources.
Looking for definitions and how it works? See What Is Biologging.
More digests
First confirmation of sika deer overwintering above 1,600 m at Kamikochi — GPS tracking reshapes alpine deer management
Using the LoggLaw G2C GPS collar and Animal Portal, a survey provided Japan's first evidence that sika deer remain through winter — overwinter — in forest above 1,600 m at Kamikochi.
Read digestWorld-first footage of king penguins catching fish in the dark deep sea — high success during ascent
Using our LoggLaw CAM underwater video logger, a University of Tokyo–led team captured the world's first footage of king penguins preying on fish in the dark deep sea (mean 128 m). 86.8% capture success. Ecology (2025).
Read digestAnimal-borne video on Atlantic bluefin tuna — recording 'forward-facing' footage in Canada
A University of Tokyo team fitted three Atlantic bluefin tuna with a video logger (our LoggLaw CAM) at Port Hood, Canada. To the author's knowledge, it was the first forward-facing footage of the species, recording encounters with other tuna.
Read digestAn animal-borne camera on a whale shark — first-person footage and a dive to 150 m from a released individual
In a Kaiyukan–Kobe University collaboration, a released whale shark carried a camera logger (our LoggLaw CAM) and a satellite tag, recording nearby fish (likely yellowfin tuna) and a dive to about 150 m.
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