Penguins are famous for life in cold climates, but there is far more to these birds than ice and snow. From surprising behaviors and unusual biology to remarkable encounters with humans, these facts reveal just how fascinating penguins really are.
Satellites Track Penguin Droppings
1. By observing the droppings penguins leave on the ground, scientists can detect and monitor penguin colonies from space.
2. Lala, a king penguin who was injured and nursed back to health in Japan, did not leave the people who rescued him. The family adopted him and kept him in an air-conditioned room. He routinely walked around the neighborhood and got fish from the store. He lived with the family for ten years before dying of old age in 1996.
3. The guillemot is a penguin-like bird that has kept its ability to fly and can dive to depths of up to 180 meters.
4. From the 1990s through 2014, a 96-year-old Australian woman knitted over 1,000 tiny sweaters for penguins to protect them from oil spills. Oiled penguins admitted to the wildlife clinic at Phillip Island Nature Parks in Australia were put in these jumpers to stop them from grooming themselves and swallowing oil before staff cleaned them. This heartwarming penguin fact demonstrates the lengths people will go to help animals in times of crisis.
5. In the late 1800s, as seal oil resources on Antarctic islands became depleted, penguin oil emerged as an alternative oil product.
6. Penguins possess long, human-like legs concealed beneath their feathers.
7. Researchers found that penguins sleep more deeply in the afternoon by approaching sleeping king penguins at various times and poking them with a stick until they woke; it was scientists’ curiosity that revealed this sleep pattern, highlighting that sometimes unconventional methods are necessary to understand animal habits.
8. No wild polar bear has ever encountered a wild penguin because polar bears live only in the Northern Hemisphere while penguins live only in the Southern Hemisphere, with the exception of the Galapagos Penguin.
9. Between 1911 and 1912 George Murray Levick observed an Adelie penguin breeding colony at Cape Adare and recorded homosexuality, necrophilia, and abuse; he suppressed the study, deeming it “too shocking,” and it was not published until 2012. This case illustrates how researchers’ personal biases can influence whether they release or withhold data.
10. In 2023 scientists discovered a new extinct species of “ridiculously cute” tiny penguins in New Zealand; they had narrower skulls, weighed 2 pounds, and stood 13.5 inches tall. The species was named Eudyptula wilsonae, or Wilson’s little penguin.
Masterful Underwater Survival Strategy
11. Emperor penguins can deactivate organs that are not being used, enabling them to remain submerged for as long as twenty minutes.
12. Grape-kun, a Humboldt penguin housed in a Japanese zoo, became so attached to a cardboard cutout of an anime character that he treated it as his ‘waifu’ until he died.
13. Penguins possess concealed knees that make their legs look shorter than they truly are, which reduces water resistance and helps them swim more efficiently.
14. Researchers in South Africa observed seals forcibly copulating with king penguins, and in one instance the seals also killed and ate the penguin.
15. Tux, the penguin character and official mascot of the Linux kernel, was selected by creator Linus Torvalds, who said he had a “fixation for flightless, fat waterfowl” and claimed to have contracted “penguinitis” after a penguin gently nibbled him.
16. When temperatures reach -20°C or lower, Emperor Penguins huddle together like rugby players to conserve heat. The interior of the huddle can occasionally rise as high as 37°C, prompting some penguins to leave and eat ice to cool down slightly.
17. A male Gentoo penguin offers a pebble to a female as a proposal. If the female accepts the pebble, the two become a mated pair and use it to build their nest.
18. Gentoo penguins are intensely monogamous and will aggressively expel any individuals they regard as cheaters from their colonies.
19. Tobogganing describes a penguin sliding along on its stomach.
20. In Happy Feet’s original storyline, penguin-like aliens planned to gradually siphon off the planet’s resources, placing humans in the same position as the penguins. In the final year of production, that storyline was removed.
Tiny Naps Big Egg Duty
21. Chinstrap penguins take more than 10,000 micronaps a day to stay vigilant and guard their eggs. This fact about penguins underscores their dedication to protecting their offspring.
22. After particle physicist John Ellis lost a bet, he was required to include the word “penguin” in his next scientific paper. Struggling to find a way to work the word in, he “smoked some illegal substance,” which inspired what became the Penguin Diagrams. Quantum field theory now employs these diagrams to depict specific types of particle interactions.
23. Male penguins produce milk that is much higher in fat and protein than human milk. This unique fact about penguins sheds light on their parenting roles and nutritional adaptations.
24. There are native penguins in South Africa. The African penguin, nicknamed the jackass penguin because of its loud, donkey-like bray, is the only wild penguin species that breeds in Africa.
25. Penguins can drink saltwater because of special glands near their eyes that remove salt from their bloodstream, allowing them to sneeze out the extra salt.
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