Amphibians

Cane toad

Rhinella horribilis

A large brown cane toad with a warty back and prominent glands behind the eyes, sitting on the ground

Photo: Lucas Vogel · CC BY-SA 4.0 · via Wikimedia Commons

Where
Your garden, Coco town
When
Night, all year, most in the rainy season
Size
Body 10 to 15 cm, sometimes bigger
Should I worry
Take it seriously
For dogs, not people. The glands behind the eyes carry a toxin that can kill a dog that mouths one.

Every expat with a dog needs to know this animal, and most learn about it the hard way. The cane toad is huge, slow, ugly in a likeable way, and it sits under the porch light eating the insects the light brings in. Dogs find that irresistible.

Where you’ll see it

Gardens, pool decks, driveways and anywhere with an outdoor light at night, especially in the rainy season when the insects are thick. They are common in Coco and across the lowlands.

What to know

The two large glands behind the eyes produce a toxin that protects the toad from being eaten. It works. A dog that bites or mouths a toad gets a dose through the gums, and the result ranges from frantic drooling and red gums to seizures and, in a small dog or a large dose, death. Cats are at risk too.

If it happens: rinse the mouth from the side with running water, head down, for several minutes, wipe the gums, and go straight to the vet. Do not wait to see. Prevention is better and mostly means lights off, bowls in, and a dog that knows the word no. To a person the toad is harmless as long as you wash your hands. Leave it to eat the bugs.

Questions people ask about this one

My dog bit a toad. What do I do?

Act fast. Rinse the dog's mouth with running water from the side, with the head pointed down so nothing is swallowed, for several minutes. Wipe the gums with a cloth. Then get to a vet immediately, even if the dog seems fine. Drooling, red gums, pawing at the mouth, vomiting, wobbling or seizures are all signs of poisoning.

Are cane toads dangerous to humans?

Not in normal life. The toxin is on the skin and in the glands, so wash your hands if you handle one and keep it away from your eyes and mouth. The real risk is to dogs and cats, which mouth or bite them.

How do I keep cane toads away from my dog?

Turn off outdoor lights that attract the insects they eat, do not leave pet food or water bowls outside overnight, and walk the dog on a lead after dark in the rainy season. Teach a firm leave-it command. It is the single most useful thing a dog can learn here.

Wondering what else is out there?

Ask me on the call. I'll tell you what actually shows up in a Coco garden, what to do about it, and the one guy everyone rings when there's a boa in the roof.

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