Balaenoptera edeni Anderson, 1879

Species Nomenclature

This species, Balaenoptera edeni Anderson, 1879, is commonly known as Eden's whale.

Identification Confusion

There are multiple anatomical differences between Bryde's whales and Eden's whales, but morphological similarities between the two have caused confusion over correct species identification.

Bryde's Whale Breeding Frequency

For Bryde's whales, individuals breed once every two years.

Breeding Seasonality

Breeding can apparently occur in any season, though it peaks in autumn.

Gestation Period

The gestation period for Bryde's whales is estimated to be 12 months.

Newborn Calf Measurements

Newborn Bryde's whale calves measure 3.4–4.0 m (11–13 ft) in length at birth and weigh 1,000 kg (2,200 lb).

Sexual Maturity

Bryde's whales reach sexual maturity between 8–13 years of age, when females reach a length of 12 m (39 ft).

Nursing Duration

Calves are nursed by their mother for 6–12 months.