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Yes! Sharks have eyelids that are more for protection than for keeping their eyes moist. There are two main eyelid structures for sharks, some have eyelids that close when needed during feeding and fighting and others have a third eyelid called a nictitating membrane which is clear and slides down over the eyeball for protection. Some believe the membrane may also serve as a type of reading glasses (not for reading of course, but to help the shark focus)....

Fossil records have been used to identify four species; three were indigenous to North America and one to China. The American paddlefish is the only species left after the recent extinction of the Chinese paddlefish. While they may be usually compared to spoonbills, the truth is there is no difference between the two. This is because the paddlefish and the spoonbill refer to the same fish species. This article will dive deeper into the paddlefish vs....

Cockroaches belong to the Blattodea Order of insects; there are over 4,500 distinct species of roach. Each species has its own set of unique characteristics. They range in color from light tan to very dark brown, and they can grow up to four inches long. Though there are thousands of species of roach, only about 30 ever come into contact with humans. Here, we’ll take a look at a couple of these species, and find out if palmetto bugs are cockroaches—or something entirely different....

Parrots love to sing. It’s one way for them to show off their skills and express themselves. In the wild, singing helps them communicate with each other. They use singing to claim or defend territory as part of their mating rituals. While many animals have a larynx, birds, in general, are unique in the animal kingdom because they have a vocal organ called a syrinx. It’s located in their chest below the larynx, allowing them to make sounds with different pitches and tones....

North Carolina’s fossil record spans from Ecocambrian remains 600 million years old to the Pleistocene, about 10,000 years ago. The state was submerged in a shallow sea home to Pteridinium, jellyfish, and corals about 600 million years ago. It had a terrestrial environment by the Triassic, where various marine life forms inhabited the local bodies of fresh water. Dinosaurs and other kinds of prehistoric reptiles roamed the area. Sea levels began to rise and fall after the Cretaceous and finally withdrew during the latter part of the Pleistocene epoch....

Where Do Mountain Lions Live? Mountain lions are found primarily on the west coast of the United States, throughout Central America, and in most of South America, with a few exceptions. In North America, most mountain lions can be found in an area stretching from British Columbia, Canada, down through the western coast of the U.S. and Mexico. In the U.S., these mountain lions can be found in the following states:...

Unfortunately, a major wildfire in 2018 destroyed most of the city and the surroundings, including Magalia, Canyon, Concow, and Butte Creek communities. This may point to the fact that there are few to no parks in the region, not to mention dog parks. We’ll prove that, even if, nowadays, Paradise is not as rich in dog parks as other cities in the United States, your furry companion will still have lots of fun in the area!...

In this article, we will compare the Gaboon viper bite with a number of other snakes so that you can get a true understanding of its danger and power. We will also address the aggression and interaction of the snake with humans and animals, as well as what you should do if you happen to be bitten by a Gaboon viper. Let’s get started and talk about this snake now!...

Imagine watching someone swimming for their life toward shore where you are when you spot an alligator racing toward them full-on as their arms cycle in and out of the water—would you even consider jumping in to help? What about when they’ve reached the bank—are you stepping forward to pull them out? It’s easy to question and judge during some shocking videos but we never know how we will react when a life and death situation like this arises....

These mammals, like humans, are social animals that live in tight-knit families, typically with an aging matriarch and several generations of female relatives. Once they reach adulthood, males dwell alone, occasionally in small groups comprising three or four bulls. They tend to be weak or hurt members and even show signs of sorrow for the loss of comrades. When a six-ton elephant bull charged their safari truck in South Africa and forced it off the road, three terrified eco-students miraculously escaped....

Comparing a Green Mamba to a Boomslang The Key Differences Between Green Mamba and Boomslang The key differences between green mambas and boomslangs lie in their size, appearance, color, and venom. Green mambas are generally heavier, longer, and deadlier than boomslangs. Looking at boomslangs and how slender and pretty they are, it can be difficult to believe that they are as deadly as they actually are. It’s very easy to get mixed up if you are not an expert in snakes, but they have some very fundamental differences....

Besides being an important factor in locating grizzly territory, did you know that their poop was the subject of a major research paper on a grizzly bear diet? We promise you that this article is full of surprises! What are grizzly bears? Grizzly bears are often called North American brown bears. They are a subspecies of brown bears that live in North America. Female grizzlies weigh approximately 290-400 pounds. However, some females, mainly those living in the Yukon River area, can weigh as little as 220 pounds....

Hedgehogs are tiny creatures that can fit perfectly in the hand. They are usually found in Asian, African, and European countries. They might seem cute and tiny, which are obvious predator magnet factors. However, hedgehogs are not really that defenseless. Apart from their spiny cover, they have incredibly sharp teeth too that make catching and eating them even more difficult. What Kind of Teeth Do Hedgehogs Have? Hedgehogs have a very similar dental structure with humans....

As such, it’s extremely important to understand how to care for goldfish so they reach their optimum size. In the article below, we’ll dive into just how big goldfish get. We’ll also explore their largest size, and how you need to care for a goldfish to ensure they’re healthy and well-cared for. How Big Do Goldfish Get? In a pond, goldfish can grow as big as 2 to 10 inches and weigh about 5-9 pounds....

The earliest dinosaurs are documented to have roamed Earth around 230 or 240 million years ago.Evolutionarily, dinosaurs are still somewhat of a mystery.An asteroid impact 66 million years ago is thought to have wiped out most dinosaur species. The mighty dinosaurs, though nearly lost to history, seem to exert a powerful hold on people’s imagination in a way that no other animal ever can. They dominated the planet’s landmasses for more than 150 million years....

The answer to how old are the Hawaiian Islands isn’t straightforward. There are as many answers as there are islands. Some of them aren’t even born yet! Let’s take a look at how and when they formed to find the answers. How Old Are the Hawaiian Islands? The Hawaiian Islands range from 5.1 million years old to .7 million years old. The oldest is Kauai, which is 5.1 million years old while the Big Island rose about ....

Comparing a Jackal and a Hyena What Are Key Differences Between a Jackal and a Hyena? The key differences between a jackal and a hyena are their size and families. Jackals are canines that weigh between 11lb and 30lbs, grow 1.3ft high, and measure up to 2.5ft long, but hyenas are their own family of carnivores called Hyaenidae instead of canines, and they can weigh over 100lbs, grow 3ft at the shoulder, and measure up to 5ft long....

Comparing a King Cobra and an Alligator What Are Key Differences Between a King Cobra and an Alligator? The biggest differences between a king cobra and an alligator are their size, morphology, and method of attack. The king cobra is a limbless reptile that uses venom to subdue its prey and grows up to 19ft long while weighing 15lbs. The alligator is a quadrupedal animal that grows 11ft long, weighs up to 800lbs, and uses massive biting power to tear prey apart....

According to statistics, almost 100 million cattle live in the United States. This is 10% of the global cattle population, so it is clear why the rattlesnake, a venomous snake, is seen as a danger to this animal. However, the real question is if rattlesnake bites kill cows. Do rattlesnakes have enough venom to kill a cow? Since there’s more to talk about than just venom power and quantity, keep on reading this educational article that we’ve prepared for you....

Let’s take some time and consider whether you can use bleach to repel mice. More importantly, we will question whether you should consider using this product at all. Why You Need to Keep Mice Away from Your Home You may have read the title and wondered why someone would be so desperate as to use bleach to keep mice away from their home. Such drastic steps are warranted, though. After all, mice are not just a nuisance that eats your food and leaves droppings around....