![Close up of two northern resident Killer whales (Orcinus orca) surfacing in the waters off the central coast of British Columbia, Canada](/sites/default/files/styles/max_650x650/public/2023-03/Medium_WW198768.jpg?itok=9TTwLiJm)
© Natalie Bowes / WWF-Canada
![Killer whale / Orca (Orcinus orca) just below the surface, Kristiansund, Nordmore, Norway](/sites/default/files/styles/max_650x650/public/2023-03/Medium_WW1110609.jpg?itok=cR-vrt5L)
© Wild Wonders of Europe / Nils Aukan / WWF
![A bull Orca / Killer Whale (Orcinus orca) surfacing in Shetland, UK, showing his huge dorsal fin - which some individuals can grow to 6 feet in height. Photo by Hugh Harrop.](/sites/default/files/styles/max_650x650/public/2023-03/_WW1267399.jpg?itok=odirAWB3)
© Hugh Harrop / WWF-UK
![](/sites/default/files/styles/max_650x650/public/2023-03/Medium_WW231556_0.jpg?itok=LchX3UpH)
© naturepl.com / Chris Gomersall / WWF
![Orcinus orca Killer whale Off the coast of Kamchatka Peninsula, Russian Federation](/sites/default/files/styles/max_650x650/public/2023-03/Medium_WW184891.jpg?itok=_BnsDV4v)
© Kevin Schafer / WWF
![Close up of three southern resident Killer whales (Orcinus orca) moving through the waters at Active Pass, British Columbia, Canada](/sites/default/files/styles/max_650x650/public/2023-03/Medium_WW198781.jpg?itok=DTizNiTT)
© Natalie Bowes / WWF-Canada
![A southern resident Killer whale (Orcinus orca) leaping out of the waters of Haro Strait, British Columbia, Canada](/sites/default/files/styles/max_650x650/public/2023-03/Medium_WW198777.jpg?itok=mhHPiL1F)
© Natalie Bowes / WWF-Canada
![Killer whale / Orca (Orcinus orca) blowing at surface, Kristiansund, Nordmore, Norway](/sites/default/files/styles/max_650x650/public/2023-03/Medium_WW1110610.jpg?itok=6U6nCEyp)
© Wild Wonders of Europe / Nils Aukan / WWF
![A pod of transient Killer whales (Orcinus orca) moving through the Haro Strait, British Columbia, Canada](/sites/default/files/styles/max_650x650/public/2023-03/Medium_WW198779.jpg?itok=qCrp83_6)
© Natalie Bowes / WWF-Canada
![Killer whale / Orca (Orcinus orca) at surface in front of a herring fishing boat, Kristiansund, Nordmore, Norway](/sites/default/files/styles/max_650x650/public/2023-03/Medium_WW1110614.jpg?itok=u_FOUzbx)
© Wild Wonders of Europe / Nils Aukan / WWF