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- Title
Visual and passive acoustic observations of blue whale trios from two distinct populations.
- Authors
Schall, Elena; Di Iorio, Lucia; Berchok, Catherine; Filún, Diego; Bedriñana‐Romano, Luis; Buchan, Susannah J.; Van Opzeeland, Ilse; Sears, Richard; Hucke‐Gaete, Rodrigo
- Abstract
Blue whale populations from both hemispheres are thought to undertake annual migrations between high latitude feeding grounds and low latitude breeding grounds (Mackintosh, [23]). By comparing blue whale acoustic and surface behavior during three independent blue whale encounters, we explored the similarities in display behavior, focusing on vocalization characteristics and potential functionality. Encounter NA2 started on 4 September 2004 at approximately 9:30 a.m. local time, when again a blue whale pair consisting of a leading female (B205) and a flanking male (B378) was observed to be followed by another male blue whale (B185). Independently, in three different years and over a time span of more than a decade, similar visual observations of surface-active blue whale trios that exhibited a specific acoustic behavior was described for two geographically distant blue whale populations.
- Subjects
BLUE whale; MARINE mammals; ANIMAL behavior; FISH breeding; MARINE biology; HUMPBACK whale behavior; SONGBIRDS
- Publication
Marine Mammal Science, 2020, Vol 36, Issue 1, p365
- ISSN
0824-0469
- Publication type
Article
- DOI
10.1111/mms.12643