Crocodiles push stray dog to safety after it falls into danger-filled river

Scientists believe rare rescue is a sign that the fearsome reptiles may be capable of compassion

In an apparent example of interspecies compassion, a group of crocodiles appeared to usher a dog to safety after it fell into a dangerous river.

The dog, believed to be a stray, was being chased by a pack of other feral canines when it jumped into the River Savirtri in India out of harm’s way, or so it thought.

But the river was infested by local mugger crocodiles, and three of them were floating near the stray.

This should have been the end of the helpless pup, with the crocs being “well within the striking range,” according to a report published by scientists in the Journal of Threatening Taxa.

However, the crocodiles appeared to usher the dog back to safety on the shore.

“These crocodiles were actually touching the dog with their snouts and nudging it to move further for a safe ascent on the bank and eventually escape,” the researchers wrote.

“The muggers were well within the striking range and could have easily devoured the dog, yet none of them attacked and instead chose to nudge it towards the bank, implying that the hunger drive was absent.”

The researchers say that the crocodiles were “docile”. Adult male mugger crocs can reach 18 feet long and weigh up to 1,000 pounds, according to the Wildlife Institute of India.

The researchers said they believe that the pup rescue could be a sign of the crocs having emotional intelligence.

“The curious case of a dog ‘rescued’ by the group of crocodiles reported here seems more on lines of empathy than altruistic behaviour,” the scientists said.

Aside from the muggers’ apparent alliance with stray dogs, scientists discovered another wholesome obsession that the crocs appeared to have: marigold flowers.

Crocodiles are often seen floating or laying in marigolds, often keeping “physical contact” with the yellow flowers, which the researchers note have compounds that can protect skin from fungi and bacteria.

The Savitri River is polluted with sewage and other harmful ingredients, so this may be why they like to have contact with the petals.

Embark on a mission to rescue the dog afflicted by ear parasites, a condition that has tragically resulted in the loss of his hearing.

The two-year-old dog became lethargic, thin and listless, deteriorating to the point that it was admitted to a pet hospital for a week for a blood transfusion.

“I was really worried about him,” Ms Powell, an enrolled nurse, said.

Testing confirmed Leo had ehrlichiosis, a disease transmitted through bites from brown dog ticks carrying the Ehrlichia canis bacteria.

But what worried the specialists is that Leo lives in the urban Top End, which some experts fear is becoming a new stronghold for a disease spreading like wildfire.

The first Australian case was detected in the Kimberley region of Western Australia in May last year.

By June, cases were rapidly emerging in Katherine in the Northern Territory and the surrounding remote communities.

A grey staffy-cross with its paw on its owner's knee.
Leo spent a week in pet hospital and still needs regular blood tests and check-ups. (ABC News: Dane Hirst)

The Northern Territory government has recorded 370 confirmed cases — 110 in the Darwin and Arnhem Land region, 149 in the Katherine region, 36 in Tennant Creek and in Alice Springs and surrounds, 75.

Experts say countless more have been left undetected in remote communities with little intervention.

“When we finally got to bring him home, [the vets] said he needs to stay inside, he’s at risk of spontaneous bleeding and he might not make it,” Ms Powell said.

“It was very full-on, very emotional.

“There were tears basically every night.”

Until the first cases were discovered just last year, stringent biosecurity controls had kept ehrlichiosis out of Australia.

Experts are still baffled by how the disease got in but, according to Professor Peter Irwin from the School of Veterinary Medicine at Murdoch University, the disease is now considered “endemic” across the NT.

“Ehrlichiosis is one of the most serious diseases of dogs in my opinion,” he said.

“It makes them very ill, and many dogs can die.

“Once it establishes into a tick population, it’s very difficult to eradicate.”

Common symptoms include lethargy, fever and cloudy eyes, which can be cleared up with antibiotics but, if left untreated, the disease can lead to blindness, uncontrollable bleeding and death.

“The problem with this disease is that dogs travel and spread infected ticks,” Professor Irwin said.

“Dogs that have moved from an endemic area of the community into the city will possibly bring ticks with them, and the ticks can then drop off.

“There have now been dogs with the disease identified in most other capitals, most as a result of travel from the north.”

Doctor Stephen Cutter, the head veterinarian at Darwin’s Ark Animal Hospital, is no stranger to the crippling disease.

He said up to 40 per cent of the dogs are infected in the remote communities of the Top End he visits on rotation.

But in August of last year, he saw his first case in a pet that had not left urban Darwin.

Arielle Giles, a vet at the Darwin Veterinary Hospital, confirmed the disease’s spread to Darwin, saying she had seen six cases in the past three months.

A vet inspects a small dog in a clinic.
Dr Stephen Cutter says ehrlichiosis is now “widespread” across the Northern Territory. (ABC News: Dane Hirst)

“It’s a devastatingly bad disease and it’s really difficult to treat,” Dr Cutter said.

“It’s basically everywhere and it’s now a matter of living with it.”

Both Professor Irwin and Dr Cutter said keeping ticks at bay is the best way to prevent ehrlichiosis.

“Because the infection is transmitted so quickly from the tick bites, the most important way of protecting your dog is to use a product, such as a collar that kills ticks before they bite,” Professor Irwin said.

It has now been five months since Leo was struck down by the tiny parasite and, while he is still getting regular check-ups and his future is looking brighter, vets can’t give the all-clear.

“Ehrlichiosis is really nasty in that it can stay hidden in the bone marrow for a long period of time,” Dr Cutter said.

Earlier this year, the NT government brought on a new coordinator to transition the NT’s response to the disease from a biosecurity threat to managing the outbreak.

“This disease is a nationally notifiable disease, which means that suspected cases of E.canis need to be reported, and free testing can be carried out on blood samples from suspected dogs,” said the chief vet at the Department of Industry, Tourism and Trade, Dr Sue Fitzpatrick.

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