Benny is a beluga whale (Delphinapterus leucas) that made headlines in the United Kingdom in September 2018 after being sighted travelling towards London through the Thames Estuary.
Ecologist Dave Andrews reported that it had been feeding near a group of barges, and 'hasn't moved more than 200 metres in either direction.'
Sightings continued throughout the day as speculation began to arise as to why the Beluga had chosen to travel to the Estuary.
[4] Conservationists and biologists feared that the whale may be lost and in danger of becoming stranded if it continued its course west towards London.
That day, BBC News reported that Benny was likely to be a sub-adult, and that medics from the BDMLR had concluded that "it had been exhibiting foraging behaviour, likely feeding, as well as surfacing and diving consistent with a healthy animal.