Mar 13, 2023 | Marine Animals, Wildlife Monitoring
European eels are a critically endangered species. They have a complex life-cycle with their spawning area thought to be in the Sargasso Sea. A study managed to track them to their breeding place for the first time using pop-up tags. Main Photo: European eel fitted...
Feb 28, 2023 | Land Animals, Wildlife Monitoring
The Arctic foxes have been noticed as travelling very long distances over the whole Arctic regions. Long time series of tracks retrieved by Argos enables to analyse this behaviour to understand why they might go so far, and whether they are staying there, at which...
Feb 16, 2023 | Birds, Wildlife Monitoring
Eurasian Woodcocks are birds which migrate across Europe. Their studies have long been led using rings, but the advent of small-enough satellite telemetry emitters now enables to follow them all along their migrations, from wintering to breeding sites, and to know...
Feb 3, 2023 | Birds, Wildlife Monitoring
Some bird species like the black-tailed godwits are nesting on ground, in grasslands. However, across all of lowland Europe, such areas have been transformed for intensive agriculture. Tracking by Argos helped to determine whether there is any space left in those...
Jan 19, 2023 | Land Animals, Wildlife Monitoring
Understanding how a marine species uses the features of its environment is important for conservation. The northern elephant seals are close cousins to their southern equivalents. A number of tracking data exists, enabling to study their behaviors in comparison with...
Jan 5, 2023 | Goniometer, Herding, News, Oceanography, Meteorology, Hydrology, Climatology, Pollution, Smart Agriculture, Wildlife Monitoring
Last year we met with Charles Drieu La Rochelle, member of the user support team in France, to find out more about CLS Group’s excellent customer care. But, did you know that he’s part of a dynamic duo? We thought it was time to introduce the other half,...
Jan 2, 2023 | Birds, Wildlife Monitoring
Harpy Eagles are threatened birds of prey of Central and South Americas. A study show why and how releases of rehabilitated or captive-born animals should consider home range characteristics and habitat preferences. The Harpy Eagle (Harpia harpyja), found in...
Dec 20, 2022 | Marine Animals, Wildlife Monitoring
Assessing whether an endangered species visits the protected areas – or not – is an important indicator of their relevance. Tracking of loggerhead turtles in the Mediterranean Sea show that modifying and adding protected area would be necessary for their conservation....
Nov 28, 2022 | Birds, News, Wildlife Monitoring
Tracking animals help in understanding their behaviour, which can benefit to their protection, even for abundant species such as the common woodpigeons. Their behavioral plasticity, demonstrated by such study should help them in maintaining their population. The...
Nov 17, 2022 | Marine Animals, News, Wildlife Monitoring
Beluga whales are Arctic cetacean very sensitive to noises, including underwater ship noises. For a long time, scarcity of such ships in the region meant it wasn’t a concern. With ice-free routes opening for longer period with global climate change, the question now...
Oct 20, 2022 | Fish, News, Wildlife Monitoring
Smooth hammerhead sharks are a threatened species of shark – as most shark species. Locating their essential habitats, like the nurseries could make a difference in their protection. Argos can help by tracking juveniles. Sharks are among the most threatened...
Sep 28, 2022 | Marine Animals, News, Wildlife Monitoring
A new tag dedicated to large whale has been developped and tested. It enables to record dive behaviors, using a software detection event to better summarize and compress the data to be used during long-range travels over several months. As we saw in a previous...
Sep 26, 2022 | Fish, Goniometer, News, Wildlife Monitoring
Marcus Drymon, Assistant Extension Professor at Mississippi State University Marine Fisheries Specialist and Dr. Greg Skomal, an accomplished marine biologist who we interviewed for Shark Week, were recently able to recover a lost shark tag thanks to NOAA’s Animal...
Sep 23, 2022 | Hardwares, Land Animals, News, Wildlife Monitoring
For over a decade, researchers have been working on improving radio telemetry devices for polar bears. In 2018, the U.S. Fish and Wildlife Service, the World Wildlife Fund, IDEO, and MistyWest teamed up to develop a new Argos-based polar bear ear tag. After two years...
Sep 21, 2022 | Hardwares, Herding, News, Oceanography, Meteorology, Hydrology, Climatology, Pollution, Smart Agriculture, Wildlife Monitoring
We are just few weeks away from the planned launches of two Argos-4 payloads, an advanced satellite instrument that will track the movement of wildlife, as well as critical environmental data around the world. Argos-4 will ensure the continuity of the Argos-2 &...
Sep 12, 2022 | Birds, News, Wildlife Monitoring
The Hudsonian godwit is a migratory bird travelling a marathon, transoceanic flight from South America to Arctic or sub-Arctic North America. Their flight paths tracked using Argos, in relation with variable winds, can help understand how they travel such long...
Sep 1, 2022 | Marine Animals, News, Wildlife Monitoring
At the end of March 2022, Cristina Rodríguez-Cabello researcher of the Spanish Institute of Oceanography (IEO) in Santander (Spain), was working at her Centre when she received an unexpected yet exciting call from France. One of the archival tags she had attached to a...
Aug 31, 2022 | Fish, Goniometer, News, Wildlife Monitoring
Lake charrs are freshwater fish found in the Laurentian Great Lakes (North America), among others. They nearly disappeared, but restoration was successful at least in Lake Superior. Understanding the different habitats of the lake charr ecotypes can help in restoring...
Aug 17, 2022 | Birds, News, Wildlife Monitoring
Protecting critically endangered species aims to better assess where and when the main threats to these species occurs. Using satellite telemetry technology, Philippine eagles were tracked to define their home range and habitat use across their tropical forest...
Aug 1, 2022 | Birds, News, Wildlife Monitoring
Migratory birds, especially those which depend on coastal wetland habitats, are among the threatened animals. Identifying the key sites in their life cycle, including the stopovers used during migration, is important for conservation efforts. Argos satellite...
Jul 26, 2022 | Fish, News, Wildlife Monitoring
“I think anyone who’s used Argos will have to admit that they’ve learned something revelatory. The more we use Argos to track animal movements, the more we see that their movements are far more complex and of greater scale than we ever imagined.” Featured...
Jul 19, 2022 | Marine Animals, News, Wildlife Monitoring
Loggerhead turtles can forage either on continental shelf or in the open ocean. The North Pacific population, nesting whole in Japan show both behaviours. Their foraging areas are pinpointing using isotopic analysis and Argos tracking, to better define conservation...
Jul 5, 2022 | Fish, News, Wildlife Monitoring
Reef manta rays are a vulnerable species. They grow up in protected shallow areas such as lagoons. Tracking them with Argos can help to confirm that a given lagoon is a nursery for this species Photo: a female juvenile reef manta ray sized 220 cm (wingspan; they are...
Jun 20, 2022 | Birds, News, Wildlife Monitoring
Uncovering how young animals learn to move efficiently and find food, is one of the many possible uses of satellite telemetry. Here, researchers from British Antarctic Survey satellite-tracked juvenile grey-headed albatrosses to understand the effect of environmental...
Jun 13, 2022 | Marine Animals, News, Wildlife Monitoring
Harp seal juveniles leave their native ice pack to forage and migrate on their own. Tracking them and recording their dive can help understand how they manage their first year. Ultimately, the question is their plasticity with respect to environmental changes. Photo:...
Jun 9, 2022 | Herding, News, Oceanography, Meteorology, Hydrology, Climatology, Pollution, Smart Agriculture, Wildlife Monitoring
This month we’ve decided to take you back stage to meet Charles Drieu La Rochelle, member of the user support team in France, to find out more about CLS Group’s excellent customer care. What are the most frequently asked questions? When is the team...
May 31, 2022 | Hardwares, Herding, News, Oceanography, Meteorology, Hydrology, Climatology, Pollution, Smart Agriculture, Wildlife Monitoring
Ever wondered how small tags like the one on this cuckoo can communicate with satellites that are up to 650 km away? It all comes down to the highly sensitive receivers that make the Argos system so unique. The slightest radiofrequency interference between the...
May 25, 2022 | Birds, News, Wildlife Monitoring
One of the mysteries of migrant animals is their ability to find their way back and forth during their long-range travels. Several hypothesis were tested on Egyptian geese to try to understand their navigation capacity. It seems they learn their way around. Photo:...
May 10, 2022 | Fish, News, Wildlife Monitoring
Analysis of migrating eels’ tracks can provide with estimate of the rate of predation on them. It seems that half of the migrating silver eels released on the French Mediterranean coast can be consumed by marine mammals before reaching the Gibraltar Straight....
Apr 20, 2022 | Land Animals, News, Wildlife Monitoring
A number of animals are migratory. The hares do not leap to mind when listing migrating animals. However, satellite telemetry confirms arctic hares very probably migrate in Northern Canadian Arctic. A lot of questions have still to be answered on these potential...
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