Wildlife in Arenal, Costa Rica: Species you Can See at Mistico Hanging Bridges

Key takeaways

• Mistico Park is home to monkeys, sloths, birds, reptiles, amphibians, and even rare wild cats.
• Early mornings or guided tours offer the best chance to spot animals up close in the rainforest.
• Mistico’s bridges and rainforest trails make it one of the best places to see wildlife in Arenal.

What animals can you see in Arenal at Mistico Hanging Bridges?

If you’re planning a trip to Arenal, Costa Rica and have been wondering what animals you can see, Mistico Hanging Bridges is the best place to see as much wildlife as you can! The park is home to a wide variety of species.

Knowing what to expect before your visit can make your experience even more exciting—you’ll know where to look, when to go, and what to listen for as you explore the trails.

In this section, we’ll walk you through some of the most incredible species that you can find in Mistico:

Mammals

The rainforest surrounding Mistico Park is home to a variety of mammals, both on the ground and high in the trees.

Here are some of the most common, and rare, ones you might see:

Howler Monkeys

You’ll probably hear them before you see them! Howler monkeys are famous for their deep, booming calls that can be heard from miles away. They are one of the loudest land animals and use their howls to communicate with their troop. You can often spot them lounging in the treetops, moving slowly as they search for leaves to eat.

Spider Monkeys

If you see a monkey leaping effortlessly from branch to branch, it’s likely a spider monkey! These agile primates have long arms, legs, and tails that help them move gracefully through the forest. They’re highly social and usually travel in groups, so keep an eye out for several swinging through the canopy together.

Sloths

Sloths are the ultimate rainforest celebrities! Known for their slow movements and relaxed lifestyle, these adorable creatures are often seen clinging to tree branches, blending in with the leaves, but since they don’t move much, they can be tricky to spot, but don’t worry! Guides with telescopes are great at finding them high up in the trees, so you’ll have a good chance of seeing one just hanging out.

Coatis 

Coatis are curious, raccoon-like mammals that love exploring the trails at Mistico. With their long, striped tails and pointy snouts, they’re always on the hunt for food like insects and fruits. Unlike many other rainforest animals, coatis aren’t shy—you might even see one walk right past you, sniffing around!

Peccaries

Peccaries are wild pig-like animals that roam the rainforest in small herds. They have coarse, bristly fur and strong snouts, which they use to root around for food. While they’re not dangerous, they can be quite noisy, making grunting sounds as they move through the undergrowth. So, if you hear some rustling in the bushes, don’t be surprised! It might just be a group of peccaries foraging for fruit and roots.

Wild Cats (Very rare sightings)

Mistico Park is home to elusive wild cats, including ocelots, margays, and even jaguars—but spotting one is incredibly rare. These nocturnal animals are stealthy hunters, and they usually stay hidden deep in the jungle, far from visitors. While you might not see them in person, knowing they roam the park is a testament to the rich and well-preserved ecosystem of Mistico Hanging Bridges.

Birds You Can Spot in the Forest

Without a doubt, Mistico is a birdwatcher’s dream! The park’s lush rainforest and towering canopy create the perfect habitat for some of Costa Rica’s most iconic and colorful birds. Whether you’re an avid birder or just love spotting beautiful wildlife, you’ll be amazed by the variety of birds soaring through the trees that you can spot.

Here are some of the most exciting species to watch for during your visit:

Quetzals

One of the most sought-after birds in Costa Rica, the resplendent quetzal is a true rainforest gem. With its shimmering green feathers, bright red chest, and long, flowing tail, this elusive bird is considered a symbol of beauty and freedom in Central American culture. Quetzals prefer the higher-altitude cloud forests, but if you’re lucky, you might spot one perched on a branch in the early morning hours.

Hummingbirds

Costa Rica is home to about 54 hummingbird species, and many can be found flitting through the flowers and trees of Mistico Park. These tiny, energetic birds move so fast that you’ll often hear their wings before you see them! Look for their iridescent feathers as they hover near nectar-rich plants along the trails.

Discover the hummingbirds you can spot in the Mistico Park!

Toucans

With their large, colorful beaks and distinctive calls, toucans are some of the easiest birds to recognize in the rainforest. The most common species in Mistico Park are the northern emerald-toucanet, the Chestnut-mandibled toucan, aracari, and the rainbow beak toucan. These playful birds are often spotted high in the canopy, where you might catch them tossing fruit to one another or calling loudly across the treetops.

Crested guans

Often mistaken for wild turkeys, crested guans are large, tree-dwelling birds with dark plumage and a distinctive red throat wattle. They’re not as flashy as toucans or quetzals, but they’re one of the easiest birds to spot since they often forage in pairs or small groups near the hiking trails.

Owls

While most of Mistico Park’s birds are active during the day, a few nocturnal species can be seen if you take a night walk. The spectacled owl and black-and-white owl are among the most common, often spotted resting in tree hollows or swooping silently through the forest at dusk. Their large, piercing eyes and soft, feathered flight make them some of the most fascinating birds in the rainforest.

Reptiles and Amphibians you might encounter

As well as mammals and birds, Mistico Hanging Bridges is full of reptiles and amphibians. Some use camouflage to stay hidden, while others show off bright colors and unique patterns. But it doesn’t matter if they’re hiding among the leaves, basking in the sun, or blending seamlessly into their surroundings, the park’s humid rainforest environment provides a perfect habitat.

These are a few of the most exciting reptiles and amphibians you might spot during your visit:

Snakes

Mistico is home to several snake species, including the elusive coral snake and its harmless lookalikes. Coral snakes have bright red, yellow, and black bands and are rarely seen due to their shy and solitary nature, though they’re more active at night.

The eyelash viper, one of the jungle’s most striking snakes, can be spotted in various colors, with unique “eyelash” scales above its eyes. Meanwhile, the green vine snake, a long, thin tree-dweller, is often seen hunting small birds and lizards in daylight.

Frogs

Some of Mistico’s most famous rainforest residents are frogs, including the iconic red-eyed tree frog and the tiny yet poisonous dart frogs. These amphibians thrive in the humid environment, especially during the rainy season. Red-eyed tree frogs are often seen clinging to leaves, while dart frogs hop along the forest floor, showing off their bright blues, oranges, and greens as a warning to predators.

Lizards

Lizards are some of the easiest reptiles to spot at Mistico, thanks to their quick movements and sunbathing habits. Some of the most famous are anoles and iguanas, which can be found lounging on tree trunks or blending into the foliage.

Small Creatures You Might Miss – But Shouldn’t

While larger animals like monkeys and toucans often steal the spotlight, Mistico Hanging Bridges also shelters incredible tiny creatures that add just as much magic to the rainforest.

Whether they’re delicate butterflies fluttering through sunlit clearings or intricate insects hiding in foliage, these small but mighty species play an essential role in the ecosystem. Keep an eye out during your visit. You never know what fascinating details you’ll notice when you take a closer look!

Butterflies

The rainforest at Mistico Park is alive with butterflies, their delicate wings flashing vibrant shades of blue, orange, and yellow. One of the most famous species is the blue morpho, a stunning butterfly with iridescent blue wings that shimmer in the sunlight. If you look closely, you might even spot a glasswing butterfly, whose nearly transparent wings make it almost disappear into the leaves.

Insects

The rainforest is full of insects that are small but full of surprises. Take a closer look, and you might find leaf-mimicking katydids, colored beetles, or giant walking sticks camouflaged among the branches. Fireflies light up the night, while army ants march in long trails across the forest floor. Some of the most fascinating insects are the bullet ants, known for their powerful sting, and the orchid bees, which help pollinate the tropical flowers.