Apr 14, 2022 | Marine Animals, News, Wildlife Monitoring
Juvenile sea turtles are cared and rehabilitated at Aquarium La Rochelle, in France. Since 2008, a few of them were equipped with Argos PTTs before being released. Analysis of their tracks could help understand if they were trapped in a nutrient-rich but cold in...
Mar 31, 2022 | Birds, News, Wildlife Monitoring
Red kites are medium-sized partially migratory raptor. They often winter in Spain, but their behaviour there and during those non-breeding periods have not been extensively studied using satellite telemetry. A team used PTTs to understand better this season for those...
Mar 14, 2022 | Birds, Marine Animals, News, Wildlife Monitoring
King penguins are living around Antarctica, breeding on some of the sub-Antarctic islands. A new colony seems to have been established in Magellan strait, showing the high plasticity of the species. Argos enables to better understand the new colony behaviour. King...
Mar 2, 2022 | Marine Animals, News, Wildlife Monitoring
WWF has just published a report using 30 years of tracking for a meta-analysis of whale migration routes over all the oceans. This map of “migration highways” should help in protecting whales in general, but also the whole oceanic ecosystem, since they are a key...
Feb 18, 2022 | Birds, News, Wildlife Monitoring
Tracking a European shorebird called the Black-tailed godwit (Limosa l. limosa) has previously revealed that different populations of godwits have different migratory behaviours (see Black-tailed godwits’ different migration behaviours). Those findings also hinted...
Feb 2, 2022 | Marine Animals, News, Oceanography, Meteorology, Hydrology, Climatology, Wildlife Monitoring
Collecting sea turtle-borne temperature and depth sensor data with Argos satellite telemetry tags helps to sample the first 100 m layer of tropical oceans, where tropical storms and cyclones take their energy. It also enables to understand the behaviour of sea turtles...
Jan 31, 2022 | Marine Animals, News, Wildlife Monitoring
Ringed seals are dependent on sea ice. Throughout the Arctic, including around the Svalbard Archipelago, sea ice is declining rapidly, thus threatening these seals. Their use of a coastal lagoon was studied over several seasons using Argos satellite telemetry, to...
Jan 25, 2022 | Birds, News, Wildlife Monitoring
The Great Knot is an endangered shorebird and a long-distance migrant. Its activity was found to be mainly along the coast and was suspected to have few stopovers; while juveniles were recorded moving approximately 3,000 km within ten days (Tomkovich, 1997). While we...
Jan 17, 2022 | Birds, News, Wildlife Monitoring
The far eastern curlew is a large shorebird, migrating between Australia and far-east Asia. Some of its populations are more endangered than others. Understanding why this might be is helped by satellite telemetry, including Argos techniques. The far eastern curlew...
Jan 6, 2022 | Land Animals, News, Wildlife Monitoring
Polar bear’s foraging success is dependent on the presence of sea ice. Arctic sea ice, however, is rapidly decreasing in extent and thickness, and summer open-water periods are lengthening. As polar bears in the southern Beaufort Sea have been tracked using...
Dec 17, 2021 | Marine Animals, News, Wildlife Monitoring
Argos can help in understanding an endangered species behavior, by providing with locations but also collecting other data measured by a wide range of possible sensors. Some populations of beluga whales in Alaska were studied combining Argos, sound recorders and...
Nov 29, 2021 | Marine Animals, News, Pollution, Wildlife Monitoring
The life of young (“lost years”) marine turtles had long been a mystery. Improvements in satellite telemetry now enable to unveil part of it. North Atlantic young green turtles, in particular, seem to actively favor the Sargasso Sea and its natural accumulation of...
Nov 17, 2021 | Birds, News, Wildlife Monitoring
Wild migratory waterfowl such as blue-winged teals are known host of avian influenza. They can contaminate poultry which in turn develop highly contagious poultry diseases, some rare times affecting human population. Being able to monitor more closely the poultry when...
Nov 2, 2021 | Marine Animals, News, Wildlife Monitoring
Franciscana dolphins are small cetaceans living along the South American coast. They are threatened, in particular from anthropogenic activities, including fishing gear. Argos can help to better assess their home ranges and behaviors, which should help in protecting...
Oct 19, 2021 | Birds, News, Wildlife Monitoring
Chinese and Japanese sparrowhawks are migratory raptors from East Asia. They migrate from Russia and China to Indonesia and other islands nearby. Understanding their migration routes, stopover sites and wintering grounds will help better protect them. Chinese...
Oct 7, 2021 | Marine Animals, News, Wildlife Monitoring
Adelie penguins live and breed around Antarctica. As with all penguins, they forage in a three-dimensional environment, ranging horizontally at-sea and diving vertically to capture prey. A recent study analysed the relationship between horizontal and vertical...
Sep 22, 2021 | Hardwares, Herding, News, Oceanography, Meteorology, Hydrology, Climatology, Pollution, Smart Agriculture, Wildlife Monitoring
Kinéis, 25 nanosatellites carrying the metamorphosis of the Argos system is on its way. Our first Kinéis constellation update was earlier this year where we went backstage with Michel Sarthou, Kinéis’ Chief Technical Officer. Now, a few months later, we’re back again...
Sep 21, 2021 | Birds, News, Wildlife Monitoring
Juvenile northern gannets fledge independently from their parents. They are therefore required to learn flight and foraging skills and make an autumn migration on their own. Mortality in seabirds is high during their first year but when and why this mortality occurs...
Sep 10, 2021 | Marine Animals, News, Wildlife Monitoring
A large population of green turtles is found in Western Australia. Using a database of tracks enables scientists to model their behaviour and help in deciding the protection regulations to enforce. The green turtle (Chelonia mydas) is a highly migratory species of...
Aug 25, 2021 | Birds, News, Wildlife Monitoring
Whimbrels migrate at the peak of the hurricane season, crossing the Atlantic. Different populations of this American shorebirds have different strategies to deal with tropical storms. However, they may have to find new ways with climate change worsening the storms....
Aug 10, 2021 | Marine Animals, News, Wildlife Monitoring
Animal tracking with Argos began in the 1980s. Improved techniques and satellite coverage now allow for much more tracking, with better resolutions. However, old tracks analysed with current methods can help understand issues such as the sleep of whales as is the case...
Jul 28, 2021 | Birds, News, Wildlife Monitoring
Macaws are living in the wild – they are not “only” pets. Tracking Scarlet and Blue-and-Yellow Macaw with Argos enables to demonstrate that they move between protected and non-protected areas. Expanded Protection is thus needed to maintain their populations outside of...
Jul 13, 2021 | Fish, News, Oceanography, Meteorology, Hydrology, Climatology, Wildlife Monitoring
Blue sharks, as many pelagic species of sharks, are often found in the surface layers above the existing Oxygen Minimum Zones. Those layers might shrink due to climate change and the expansion of the oxygen-poor areas underneath, thus leading to a concentration of...
Jul 6, 2021 | Birds, News, Wildlife Monitoring
Wild geese are among the most famous migratory birds – stars of fiction and documentaries. However, there are a number of different species, the Light-bellied Brent Geese among them. They don’t have the same migratory habits, as Argos telemetry enabled to assess....
Jun 16, 2021 | Marine Animals, News, Wildlife Monitoring
Manatees can live in rivers. However, in Africa, dams have been built over rivers, so that mitigation and modifications should be made to let the manatees come and go with the wet and dry seasons. A study examines this in the Senegal River. Manatees are marine mammals...
![[WEBINAR] Argos Bird Telemetry: User Community Stopover](https://www.argos-system.org/wp-content/uploads/2022/02/Argos-birds-webinar.jpg)
Jun 16, 2021 | Birds, News, Wildlife Monitoring
Registrations are now closed. This webinar was an opportunity to bring the community (virtually) back together while sharing some great research. Thank you to everyone who participated. You can access the replay below. Contact the Argos...
May 31, 2021 | Birds, News, Wildlife Monitoring
Albatrosses tend to be attracted by fishing boats, which is one of the main threats on the species. The bycatch risk is usually assessed by comparing albatrosses’ and (legal) boats locations. Illegal fishing grounds are less easy to pinpoint, though, except that the...
May 14, 2021 | Land Animals, News, Wildlife Monitoring
Jaguars are one of the emblematic animals throughout the Americas. As most large terrestrial predators, it is threatened of extinction. Tracking them using Argos satellite telemetry enable to better understand their need in terms of available space and of environment....
Apr 26, 2021 | Marine Animals, News, Wildlife Monitoring
Sea turtle rehabilitation centres are becoming increasingly important to threatened sea turtle populations around the world. However, one key question is whether rehabilitation is actually helpful to sea turtle populations; do sea turtles survive in the wild after...
Apr 14, 2021 | Hardwares, Herding, News, Oceanography, Meteorology, Hydrology, Climatology, Pollution, Smart Agriculture, Wildlife Monitoring
If you had to describe Argos in two words, what it would be? According to Michel Sarthou, Chief Technical Officer at Kinéis, former Head of Argos space segment at CNES (French Space Agency) it would be: “Success Story”. Many may not know this but the first Space IoT...
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