Canines are expert sniffers. And some are specially trained to sniff out certain at-risk plant and animal species. This way, researchers can carefully keep track of the population numbers for these organisms.
In the 1800s, beavers were almost hunted to extinction. Luckily, their numbers grew, as their gnawing and damming behavior have many benefits for our planet.
Bees help pollinate plenty of plants, keeping our environment rich and thriving. They're also great detectors, too. Bees have been used to locate abandoned but still active land mines.
Not only are they adorable, but they're also great farm animals with a low environmental impact. They eat invasive weed species and, compared to other animals, they won't damage grass.
Not only are these winged critters nice to look at, they also help pollinate a number of plants that depend on their feeding habits to survive.
Sharks might have a bad reputation, but these predators are always helping us out. They feast on weak, old, and sick fish, which prevents disease from spreading among marine life.
You can thank forgetful squirrels for the existence of a few trees. Every year, they stash nutty food supplies around yards and forests.
In many countries, rats have been trained to sniff out land mines and bombs left forgotten. Not only are they cheaper to use than dogs, but they also learn quickly, with an impressive success rate.
Feared by many, this creature is actually helping save the Earth. Bats are experts at slaying insects, eating hundreds every hour.