B1 pod was long known for its unusually high number of males. Although two old males, B1 and B2 died in 1998, the pod is still comprised mostly of males. The pod travels alone more than any other northern resident group, perhaps due to its preonderance of males.
The matriarch is Scarlet B7. She had between 1964 and 1995 7 calves, which 6 are males.
In 1964 B8, Izumi was born. Izumi died in 2002. After almost 13 years Scarlet had her second calf, B10, Slingsby in 1979. Then after 5 years she had B12, Nakwakto in 1984 who died in 2006. Three years later she had her fourth son, B13, Yaculta, born in 1987.
Then in 1991 she had her only daughter B14, Klaskish, who had her first calf, B16, Arrow, in 2004.
In 1995 Scarlet had her last son B15, Raven.

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Discrete calls
The repertoire of the B1 pod consists of the following 14 discrete calls: N1ii, N3, N5i, N5ii, N7iii, N8iii, N8iv N11i, N11ii, N12, N16i, N18, N20 and N21
The calls N16i, and N21 are exclusive for B1 pod.
9 calls are shared with at least the I1s.
The calls N1ii, N7ii, N8iii and N8iv are shared with the I1s only
The calls N3 and N12 are made by all the A clan groups.
The call N5i are also made by the A1s, A4s, A5s, Hs and I1s
The call N5ii are shared with the Hs and I1s
The call N11i are also made by the A1s, A4s and A5s and the call I11ii are shred with the Cs, Ds and Hs
The call N18 is also made by the Cs and the call N20 is shared with the Cs, Ds and I1s
N1ii