Most recent positions
Information updated to: January 20, 2020
Click on each individual to see its travels in detail.
Note: The transmitters do not affect the behavior of the whales.
Transmission stops when the transmitter falls off, which can occur weeks or months after its placement. The average transmitter’s transmission life is 100 days, with the maximum recorded duration being 240 days.
Updated information as of January 20: Nine satellite transmitters continue providing data four months after being deployed. This week we lost contact with Legal. Afuerita and her calf are exploring the continental slope, while Cebollita and her calf have returned to the continental shelf. All the other mothers and their calves remain in the deep South Atlantic Ocean Basin. Fiesta, a solitary individual, traveled more than 1,000 kilometers south to the sub-Antarctic waters east of the Southern Orkney Islands.