Thames minke whale: Sad ending to tale of the wayward whale that transfixed Londoners

Hundreds watch as desperate but ultimately futile efforts are made to save young minke whale after it became lost in the Thames

Onlookers on a stretch of the Thames were gripped by the fate of a baby minke whale on Monday, which had swum 100 miles out of its way but whose journey ended in disaster when it had to be put down.

First spotted on Sunday evening, the juvenile minke whale appeared to become stuck on the boat rollers near Richmond Lock and Weir, in south-west London. Crowds gathered to watch as staff, thought to be from Port of London Authority, hosed the creature down. Members of the Royal National Lifeboat Institute were greeted with cheers when they arrived.

By 1am the whale had been captured by the British Divers Marine Life Rescue (BDMLR) so it could be assessed and seemingly saved. But the whale would not co-operate, wriggling free from the boards it was strapped to and swimming away.

A search ensued before residents upriver alerted authorities that the whale had been spotted again opposite a pub in Teddington, a quiet riverside suburb of south-west London. However, a decision was made on Monday evening that the cetacean would be euthanised because of its extensive injuries. The animal will be taken away by experts from the UK Cetacean Strandings Investigation Programme.

Julia Cable, national coordinator for the BDLMR, speaking as the animal was put down, said: “The vets are here from London Zoo – they will give the whale a large anaesthetic which will put it to sleep, it shouldn’t feel anything.

“It’s always sad but we know putting it back into the open sea would’ve been sending it to starve.

“It’s nutritionally in a poor state, it has run out of energy and will be dehydrated and starved.

“It’s been separated from its mother or a group and will definitely be socially dependant.”

Hundreds of people had followed the animal’s journey, with one parent of young children exclaiming “it’s better than going to Seaworld!” Crowds lined the banks of the Thames, with the RNLI enlisted to make sure no one fell into the river or ventured too close to the whale on pleasure boats.

A carnival atmosphere in the sunshine slowly turned solemn as it became clear the whale was gravely injured and unlikely to survive. By mid-afternoon, it had become stuck, entangled in vines and weeds, and pushed against the brick wall of the river.

The four-metre long whale had extensive injuries from its stranding, and was young enough that it should still have been with its mother. While onlookers waited anxiously for the tide to come in, thinking enough water could refloat the whale, hope was running out.

An RNLI volunteer, enlisted to protect the whale from the crowds, told The Telegraph: “We are waiting to see if the tide comes in, but the whale really doesn’t look well. It’s stuck to the bottom.”

The whale was being bashed against the brick wall of the lock, and experts said that it was likely to have suffered damage to its internal organs as whales are not supposed to remain stationary on their bellies for extended periods of time. The young mammal had also become entangled in vines and weeds.

After being surveyed by animal experts, a decision was made to bring a vet who would assess the need to put the creature out of its misery. Police then put up hazard tape and dispersed the watching crowds.

Dan Jarvis, of the BDMLR, said any possible journey for the stranded whale to make it back to the open sea – around 30 miles away – would be too arduous for the whale. Reflecting on the likely conclusion, he said: “With stranded cetaceans, it’s for a very good reason they’ve come ashore. Sometimes it is by accident, they do get stranded, but usually sadly it is the case that they’re already seriously ill or badly injured.

“And there’s not a great deal we can do in that situation.”

His colleague, Julia Cable, said the whale was “as good as stranded”, adding: “It’s not really going to come down to a rescue now. Its condition is deteriorating. It’s not acting the way it did last night. It’s basically lost any energy that it had left in it.

“It’s also got another stranding injury which along with ones from yesterday all adds up really. It’s not looking like we’ll be able to re-float the animal.”

Minke whales are the smallest of the great whales, growing to about 10 metres. They can usually be found throughout the northern Atlantic and Pacific Oceans. Their range extends from the ice edge in the Arctic during the summer to near the equator during winter.

How did the whale come to be in the Thames?

Minke whales are huge animals, though they are the smallest whales found in UK waters, writes Bex Lynam, marine advocacy officer, North Sea Wildlife Trusts. Typically, they are around seven to nine metres in length, and can weigh between five and nine tons. They are common in the North Sea and feed on shoals of fish like herring and mackerel along the coastline.

It is very unusual to witness them swimming inland. Although large whales are a relatively rare occurrence in rivers, the Thames is home to more wildlife than you might at first think. Fish such as smelt, as well as harbour porpoises and both common and grey seals, all use this estuary. But it’s not a good place for a minke whale.

It’s very difficult to say exactly why this happened. It could be that the whale was unwell – possibly suffering from an injury or illness, which may have caused it to become disorientated. Perhaps it was affected by human influence, such as debris in the ocean or noise pollution, or maybe it was chasing a particular shoal of fish.

In 2006 the “Thames Whale”, a 16-foot female northern bottlenose whale, captured the national imagination. Rescue attempts failed and after its death vets at the London Zoological Society said that it may simply have made a navigational mistake.

Whenever something unusual like this takes place, it gives us an opportunity to think about our impact on the natural world. Whales and other marine wildlife have many potential threats to navigate out there – entanglement in nets, pollution, being struck by vessels, and a cacophony of underwater noise to name a few.

It will be important to carry out an autopsy to find out as much as we can. This will help us to better understand our impact on animals like whales, and do what we can to ease the pressure on our struggling wildlife.

The minke whale rescue and escape, in pictures




What is a minke whale?

The minke whales are the second smallest baleen whale; only the pygmy right whale is smaller.

Upon reaching sexual maturity (6–8 years of age), males measure an average of 6.9 m (23 ft) and females 8 m (26 ft) in length, respectively.

Reported maximum lengths vary from 9.1 to 10.7 m (30 to 35 ft) for females and 8.8 to 9.8 m (29 to 32 ft) for males. Both sexes typically weigh between four and five tonnes.

The minke whale is a black/grey/purple colour. Most of the length of the back, including dorsal fin and blowholes, appears at once when the whale surfaces to breathe.

Minke whales typically live for 30 to 50 years and in some cases they may live for up to 60 years.

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