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How long do polar bears live?

There are many reasons that polar bears have a relatively short life span compared to humans. Native to the Arctic, polar bears face many issues including warming, melting of ice, poaching and industrialization, all which can lead to death. These magnificent creatures are becoming endangered according to the U.S. Department of the Interior as the numbers are rapidly declining. Polar bears also reproduce slower than most other mammals, which also plays a role in the threat of the species becoming extinct. In captivity, such as zoos, many of environmental factors are nonexistent, which allows th..

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Why do goldfish jump out of their bowls?

Goldfish prefer an environment between 65 and 75 F. When temperatures rise above 75, they are triggered to spawn. A fish eager to breed will become very active, swimming rapidly and even leaping from its bowl.\nAcidic water and alkaline water both irritate the sensitive skin of goldfish, causing them to swim erratically and leap to escape the pain. Proper pH in a goldfish bowl should be between 5 and 8.5. Common tap water is pH 7, but waste from the fish can make the water acidic. This is why switching to a different brand of filter can cause goldfish to suddenly exhibit leaping behaviors: a ..

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What is a Maltese Chihuahua mix?

Malchi dogs have a similar life expectancy to both Maltese and Chihuahuas, which is around 15 years. They have almond-shaped eyes, round-shaped heads and a short muzzle. The Malchi can live in any environment and is a great watch dog. They tend to be black, white, brown or spotted with multiple colors. Their high level of agility makes them excellent at competitive games. Malchi are also highly intelligent, playful and friendly. The Malchi is a great dog to have in homes with children or other dogs.

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What eats a great white shark?

Acutely developed senses help the great white shark ensure its status as an apex predator. These include refined hearing, touch, smell, sight and taste. Sharks also have electroreception capabilities that allow them to sense electrical fields. This ability lets them navigate through the ocean with ease, using the magnetic fields in the crust of the earth.

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Why can't ostriches fly?

Sometimes standing more than 6 feet tall, ostriches usually attain 200 pounds or more in weight. Ostriches have wingspans of nearly 6 feet, but to achieve flight they would need much longer wings. As a comparison, bald eagles have wingspans of approximately 6 feet, yet they only weigh about 10 pounds. Even if ostriches weighed much less than they do, and had wings that were much longer, they lack large enough muscles to move them effectively.\nScientists suspect that the common ancestral species of all ratites had the capability of flight. Over time, the individual populations all evolved to s..

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What are some facts about prairie dogs?

Prairie dogs live in the Great Plains in the open grasslands and prairies. Their habitat extends from Mexico into Canada. They create extensive underground tunnel systems that include specialized chambers for food storage, sleeping, toileting and nurseries. Openings into the tunnel include a funnel-shaped dirt dike that prevents rain from flooding their homes. The entrance is a sloped tunnel that leads about 20 feet underground before leveling out into a hallway that leads to the specialized chambers. The tunnels are interconnected, allowing the occupants a way of escape.\nPrairie dogs have an..

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How old do kittens have to be before they can have hard food?

Orphaned kittens who are not able to nurse from their mothers can start eating moistened kitten food at about three weeks of age. Mother cats tend to wean their kittens by about eight weeks, at which point 80 to 90 percent of the kittens' food should be dry food. Kittens should eat food that is especially designed for kittens rather than adult cat food for the first year of their life because kittens require more protein than adult cats.

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What are the natural enemies of the king cobra?

The king cobra is the longest venomous snake in the world, reaching up to 18 1/2 feet long. Fully grown, they can weigh up to 20 pounds. The venom of a king cobra is very dangerous to humans. They can strike very quickly from several feet away, which is why humans are bitten so often. The bite is extremely painful, but if proper medical care is given immediately, the effects of the venom can be reduced.\nKing cobras are found in heavily forested areas of India and Asia. The dense forest provides camouflage, and they are often found near bodies of water. King cobras live to be an average of 20 ..

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How Many Babies Do Hermit Crabs Have?

As The Hermit Crab Patch explains, a female hermit crab's eggs are laid and deposited with the aid of the gill grooming appendages along the left side of her abdomen. She carries her eggs as they mature for approximately 1 month, and during that time, the eggs change color from brick red to dark gray as the embryos deplete their yolk supply. Hermit crabs have a lifespan of 40 or more years.

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Where do annelids live?

Annelids are also known as segmented worms. The phylum includes leeches, earthworms, ragworms, tubeworms and other wormlike, segmented invertebrates. They are characterized by their bilateral symmetry, parapods used for locomotion, segmented bodies separating the multiple organ systems and closed circulatory system. Some annelids have functional jaws used for obtaining food, while others are filter feeders and still others lack a gut entirely and rely on beneficial bacteria for nutrients.

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