15 Amazing Facts About 15 Birds

iStock.com/Khmel
iStock.com/Khmel

From brilliantly colored hummingbirds to farting thrushes, birds are among the most beautiful and bizarre creatures on Earth. With over 9000 species, our fine feathered friends inhabit almost every inch of the planet, making their homes in the frozen expanses of Antarctica, the humid rainforests of South America, and every climate in between. Here are 15 amazing facts you might not know about 15 amazing bird species.

1. Ravens are great at mimicking human speech and sounds.

A raven with its beak open
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While ravens in the wild are unlikely to pick up human language, in captivity they can become quite talkative. Some ravens are even better than parrots at mimicking human speech, not to mention sounds from the human world like car engines revving or toilets flushing. In the wild, meanwhile, ravens sometimes imitate other animals, mimicking predators like wolves or foxes to attract them to tasty carcasses they're unable to break open on their own.

2. Ostriches have the largest eyes of any land animal.

portrait of an ostrich
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Ostrich eyes are the largest of any animal that lives on land (though they can't rival some of the massive creatures that inhabit the depths of the sea). Approximately the size of a billiard ball, their eyes are actually bigger than their brains.

3. Cardinals like to cover themselves in ants.

a cardinal on a branch
iStock.com/mirjana simeunovich

Cardinals (along with several other bird species) sometimes cover themselves in crushed or living ants, smearing them over their feathers, or allowing living ants to crawl on them. While scientists still aren't sure what the purpose of "anting" is, some believe the birds use the formic acid secreted during their ant bath to help get rid of lice and other parasites.

4. Owls devour their prey whole.

An owl landing on the grass
iStock.com/Lothar Brademann

When owls catch larger animals (raccoons and rabbits, for instance), they tear them up into more manageable, bite-size pieces. But, they've also been known to simply swallow smaller animals, from insects to mice, whole. Owls then regurgitate pellets full of indigestible elements of their meal like animal bones and fur.

5. Some ducks sleep with one eye open.

four sleeping ducks
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When they nap in groups, the ducks on the perimeter keep guard by sleeping with one eye open. While the other ducks sleep more deeply, those on the outside of the circle also keep one side of their brain awake, even as they doze, so that predators won’t be able to sneak up on them.

6. Kiwis are sometimes called "honorary mammals."

a kiwi bird
iStock.com/Jason Magerkorth

Native to New Zealand, kiwis are a bizarre, land-bound bird. Scientists, so mystified by the kiwi's strange properties—which include feathers that feel like hair, heavy bones filled with marrow, and nostrils on the tip of their nose (rather than on the base of their beak like most birds)—have sometimes called them "honorary mammals."

7. Most hummingbirds weigh less than a nickel.

A hummingbird by a flower
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Hummingbirds are incredibly lightweight. The average hummingbird is around 4 grams (one gram less than a nickel), while the smallest, the bee hummingbird, is closer to 1.6 grams, less than the weight of a penny. The largest member of the hummingbird family, meanwhile, is the aptly named giant hummingbird, which can get up to 24 grams—enormous for a hummingbird, but only equivalent to about a handful of loose change.

8. In ancient Greece, pigeons delivered the results of the Olympic games.

two pigeons
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Believed to be the first domesticated bird, pigeons were used for millennia to deliver messages, including important military information, and the outcome of the early Olympic games. Though non-avian mail delivery has become more popular over time, pigeons were used as recently as World War II to carry select messages.

9. Parrots can learn to say hundreds of words.

African grey parrot on a branch
iStock.com/Naked King

While most parrots only learn around 50 words, some African grey parrots have been known to learn hundreds. Einstein, a brilliant African grey parrot at the Knoxville Zoo in Tennessee, can say around 200 words.

10. Swiftlet nests are a delicacy.

a dried swiftlet nest
iStock.com/dextorTh

Some swiftlets, appropriately named Edible-nest swiftlets, build nests almost exclusively from their hardened saliva. The saliva nests are considered a delicacy in some countries—in China, they are most frequently used to make bird’s nest soup—and are one of the most expensive foods in the world, despite having little flavor and no real nutritional value.

11. Bassian thrushes find food by farting.

Worm-eating Bassian thrushes have been known to dislodge their prey from piles of leaves by directing their farts at them. The excretion of gas shifts the leaf-litter on the ground and apparently provokes worms to move around, revealing their location.

12. Woodpeckers hoard acorns.

woodpecker with acorns
iStock.com/SteveByland

Acorn woodpeckers store acorns by drilling holes in trees, fence posts, utility poles, and buildings, and depositing their nuts there. They have been known to store up to 50,000 acorns—each in its own tiny hole—in a single tree, called a "granary tree."

13. The unique black and white coloring of penguins works as camoflage.

Penguins swimming in the ocean
iStock.com/Musat

While penguins might stand out on land, underwater their black and white coloring helps them stay hidden from both predators and prey. As they swim, their black backs blend in with the darker ocean water below them so that they're difficult to spot from above. Their white chests, meanwhile, help them blend in with the lighter, brighter surface of the water, so that from below, they're near-invisible. On land, meanwhile, their black backs may stand out sharply against the snowy landscape, but in most regions, the birds face so few predators on land, it's unnecessary to try to blend into the background.

14. Hoatzin chicks are born with claws on their wings.

A hoatzin bird
iStock.com/Gaardman

Though they disappear after three months, young hoatzin (also known as "stink birds" for their unique stench) have two claws on each wing, which they can use to climb across tree branches or pull themselves out of water onto dry land. The claws also help chicks hide from predators: After jumping from their nest into the water below, the little hoatzin swim some distance, then pull themselves on land with their claws. When the coast is clear, they use their claws to climb up onto a tree branch.

15. Budgies catch each other's yawns.

Three budgies on a ledge.
iStock.com/Khmel

Budgerigars, or budgies, a common parakeet, are the only bird species so far discovered who are susceptible to contagious yawning. While humans, dogs, chimps, lab rats, and a few other creatures have all been known to catch each other's yawns, budgies are the first non-mammal species observed exhibiting the behavior. Many scientists believe the unconscious, instinctual response may be a primitive way of showing empathy, or it might be a sign of group alertness.

This story first ran in 2016.

Massive Swarms of Migrating Dragonflies Are So Large They’re Popping Up on Weather Radar

emprised/iStock via Getty Images
emprised/iStock via Getty Images

What do Virginia, Pennsylvania, Indiana, and Ohio all have in common? Epic swarms of dragonflies, among other things.

WSLS-TV reports that this week, weather radar registered what might first appear to be late summer rain showers. Instead, the green blotches turned out to be swarms of dragonflies—possibly green darners, a type of dragonfly that migrates south during the fall.

Norman Johnson, a professor of entomology at The Ohio State University, told CNN that although these swarms happen occasionally, they’re definitely not a regular occurrence. He thinks the dragonflies, which usually prefer to travel alone, may form packs based on certain weather conditions. If that sounds vague, it’s because it is: Johnson said that entomologists haven’t worked out all the details when it comes to dragonfly migration. They do know that the airborne insects cover an average of eight miles per day, while some overachievers can fly as far as 86.

Based on the radar footage shared by the National Weather Service’s Cleveland Office, the dragonfly clouds seem almost menacing. But, while swarms of any insect species aren’t exactly delightful, these creatures are both harmless and surprisingly beautiful, at least up close. Anna Barnett, a resident of Jeromesville, Ohio, even told CNN that witnessing the natural phenomenon was “amazing!”

Amazing as it may be to see, it’s hard to hear news about unpredictable animal behavior without wondering if it’s related in some way to Earth’s rising temperatures. After all, climate change has already affected wasps in Alabama, polar bears in Russia, and no doubt countless other animal species around the world.

[h/t WSLW-TV]

6 Fall Festivals Around the World That Celebrate Animals

Prakash Mathema, AFP/Getty Images
Prakash Mathema, AFP/Getty Images

Where would humans be without animals? Chickens and cows give us eggs and milk, providing nourishment (and also cake). Horses, donkeys, and water buffalo are as hardworking as any person, and thanks to our pets, we always have a source of love and entertainment to come home to. It's time we celebrate animals more often, and to get you started, here are six fall festivals around the world that do just that.

1. Kukur Tihar

Dog in Nepal during a fall festival
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A big part of Tihar, a five-day Hindu festival held in late autumn in Nepal, is giving thanks to other species. Crows, believed to be the messengers of death, are worshipped on the first day. Cows are worshipped on the third, and often oxen on the fourth. The second day, though, is all about man's best friend. Dogs are described favorably in Hindu religious texts, and it’s believed that they can warn people of impending danger and even death. In a ceremony called Kukur Tihar, people place flower garlands around the necks of both pet dogs and stray dogs to show their respect. A red dot (tika) is placed on their foreheads in an act of worship, and naturally, the dogs are spoiled with lots and lots of treats.

2. Transhumance Festival

Hundreds of sheep in the street
Pierre Philippe Marcou, AFP/Getty Images

In Spanish, this festival in Madrid is called Fiesta de la Trashumancia. The word transhumance refers to the act of moving herds of livestock to different grazing grounds depending on the season. In practice, it's quite the spectacle. Thousands of sheep have been led through the streets of Madrid each autumn since the festival was formally established in 1994. Men and women in traditional garb lead the way, singing and dancing along the parade route in celebration of centuries-old shepherding traditions.

3. Monkey Buffet Festival

A monkey eating various kinds of fruit
Saeed Khan, AFP/Getty Images

Visitors to Thailand’s temples are advised not to feed the monkeys (they can get awfully handsy), but the locals of Lopburi make an exception on the last Sunday of November. On this day, towers of fruit and banquet tables containing several tons of food and even cans of Coca-Cola are set up in the ruins of a 13th-century temple. Once a sheet is removed to unveil the spread, it doesn’t take long for Lopburi’s thousands of macaques to arrive. Thailand's reverence for monkeys dates back some 2000 years to legends surrounding the monkey king Hanuman and his heroic feats. Nowadays, the creatures are considered a sign of good luck in the country.

4. Woolly Worm Festival

The woolly worm is to Banner Elk, North Carolina, what the groundhog is to Punxsutawney, Pennsylvania. According to local folklore, the color of this fuzzy caterpillar can be analyzed in autumn to predict how severe the forthcoming winter will be. The 13 segments on its body are thought to correspond to the 13 weeks of winter—more black means colder weather and snow, while more brown means the weather will be fair. To make this prognostication process more official, the Woolly Worm Festival was established on the third weekend of October in 1978. This year, it will be held October 20-21. A worm race is the main event, and the caterpillar that climbs the fastest up three feet of string gets the honor of helping to predict the winter (plus a $1000 cash prize for the worm’s coach). “Patsy Climb” and “Dale Wormhardt” were a couple of past competitors.

5. Pushkar Camel Fair

Decorated camels
Roberto Schmidt, AFP/Getty Images

The Indian state of Rajasthan is a vibrant place. It’s home to the Pink City, Blue City, and Yellow City, and it also hosts a colorful cultural event each November called the Pushkar Camel Fair. Celebrated on a full moon day of the Hindu lunar calendar, it’s one of the largest fairs of its kind in the world. The annual gathering is a chance for traders to show off their camels and livestock, while also celebrating local culture and traditions. Both the people and camels sport brilliant attire, participate in a variety of competitions, and dance to lively music. (Yes, there’s video evidence of a dancing camel, but the word dance is used loosely.)

6. Birds of Chile Festival

Held each fall in Viña del Mar along Chile's Pacific coast, the Festival de Aves de Chile celebrates the beauty and diversity of the country's birds. Festival-goers have the chance to see Chile’s national bird—the wide-winged Andean condor, which happens to be one of the largest flying birds in the world—as well as other feathered friends in their natural environment. A series of excursions and talks featuring bird experts are organized each year.

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