Tracked Whales
SEASON 2019 - 2020

Photo: Paula Faiferman

Tracked Whales

In September 2019, 23 Southern Right Whales were tagged with satellite transmitters. These whales were then tracked from their breeding grounds in Golfo Nuevo, Peninsula Valdés to their feeding grounds in the southwest Atlantic Ocean. Depending on the time span of active data transmission, their routes were followed for a few days (Robustito: 13 days), up to various months (Afuerita: 211 days), and from a few hundred kilometers (Campeona: 432), up to thousands of kilometers (Fiesta: 19,924km.).

Afuerita

Female with calf
Sep. 14, 2019 – Apr. 13, 2020

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Almuerza

Female with calf
Sep. 25, 2019 – Oct. 11, 2019

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Apnea

Juvenile
Sep. 22, 2019 – Oct. 10, 2019

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Campeona

Female with calf
Sep. 26, 2019 – Oct. 10, 2019

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Cebollita

Female with calf
Sep. 26, 2019 – Mar. 29, 2020

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Diana

Female with calf
Sep. 24, 2019 – Jan. 23, 2020

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El gris

Adult male
Sep. 14, 2019 – Jan. 8, 2020

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Fiesta

Adult male
Sep. 24, 2019 – Mar. 7, 2020

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Flash

Adult male
Sep. 24, 2019 – Oct. 10, 2019

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Gemela

Juvenile
Sep. 22, 2019 – Oct. 14, 2019

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Legal

Female with calf
Sep. 25, 2019 – Jan. 12, 2020

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Medio Siglo

Juvenile
Sep. 11, 2019 – Oct. 15, 2019

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Metido

Juvenile
Sep. 23, 2019 – Mar. 6, 2020

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Misterio

Juvenile
Sep. 14, 2019 – Apr. 1, 2020

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Paciencia

Female with calf
Sep. 26, 2019 – Apr. 1, 2020

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Pancho

Juvenile
Sep. 14, 2019 – Oct. 13, 2019

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Pulgarcita

Female with calf
Sep. 25, 2019 – Oct. 30, 2019

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Rapidito

Juvenile
Sep. 14, 2019 – Sep. 30, 2019

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Rintone

Female with calf
Sep. 14, 2019 – Oct. 15, 2019

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Robustito

Juvenile
Sep. 23, 2019 – Oct. 6, 2019

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69

Adult male
Sep. 23, 2019 – Mar. 28, 2020

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Tempranera

Female with calf
Sep. 24, 2019 – Nov. 30, 2019

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Tigresa

Female with calf
22 Sep. 2019 – Apr. 24, 2020

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Use of the Golfo Nuevo

Golfo Nuevo is a critically important habitat for southern right whales during the breeding season, between May and December. During the season the whales move from west to east. As the routes recorded in 2019 show, the northern half of the gulf is the most densely traveled. Mothers and their newborn calves prefer the coastal areas near gently sloping beaches, while adults and juveniles use the deeper waters.

Use of the SW Atlantic Ocean

Complete routes traveled by the 23 right whales fitted with satellite transmitters during September 2019, in Golfo Nuevo, Peninsula Valdés. Each color shows the movements recorded for a specific individual. According to the duration of transmission, whale travels ranged from a few weeks (Robustito: 13 days) to several months (Afuerita: 211 days) and from hundreds of kilometers (Campeona: 432 km) to thousands of kilometers (Fiesta: 19,924 km).

The following maps highlight the importance of the entire Argentine Sea, the Southwest Atlantic Ocean, and the sub-Antarctic waters for the southern right whales.