• ID number : DL2023
  • Sex : Male
  • Year of birth : Before 1988
  • Know since : 2003

Its distinctive traits

DL2023 shows a deep scar on his right flank. This characteristic is located near the end of his dorsal crest.

Life history

When we first encountered him, DL2023’s skin was already completely white. Belugas fade from gray to white in colour between the ages of 12 and 16, meaning that DL2023 would have been born before 1988.

His size, habits and associations suggest that DL2023 is a male. DL2023 has often been observed in large herds of young bulls or in the downstream parts of the species’ summer range in the company of adult males. Given that belugas show strong sexual segregation and on account of DL2023’s size, we believe that this individual is a male.

As the years pass by, males have a tendency to form stable groups of companions. These associations may play a role in belugas’ reproductive lives. Although DL2023 has been seen on few occasions with Splash, Cumulus and DL1328, he is not yet known to have a faithful companion.

How DL2023’s story unfolds will teach us volumes on the evolution of belugas’ social lives. Who will his lifelong companions be? Will he continue to frequent the same geographic sectors? By better understanding how belugas live, we will be able to better protect them.

DL2023 observations history

Latest news

  • JULY 17, 2015

    The GREMM’s research boat – the Bleuvet – is 2 nautical miles off the coast of Cacouna. We’re observing a herd of eight individuals: four white adults and four young grays. One of the animals shows a conspicuous hole in its right flank; it’s DL2023! In his company is one individual that we qualify as “dirty white”, meaning it has not yet acquired the complete white colour of adulthood.

    We position the Bleuvet so as to take a biopsy from DL2023, which will allow us to confirm its sex and learn a little more about its DNA. Unfortunately, DL2023 outmanoeuvres us and we miss our target. Immediately afterwards, the herd splits into two groups that move in opposite directions. We attempt to follow them, but they appear to have vanished… into the water! We search for a good half hour, but in vain. We’ll have to wait for another encounter to discover the secrets hidden in DL2023’s fat.

    Update : January 8, 2018


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