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How long does a gray wolf live?

The gray wolf (Cams lupus), also known as the timber wolf, lives for less than 10 years in the wild but can live for up to 20 years in captivity. The gray wolf is the largest and most widespread species of the family Canidae. Other members the family Canidae include domestic dogs, hunting dogs, wolves, jackals, coyotes, and foxes. Gray wolves weigh between 100 and 110 pounds (45 and 55 kilograms) and resemble large domestic dogs, such as Alaskan malamutes. Gray wolves are strongly social animals and live in packs.

The gray wolf has suffered a significant decline in numbers in recent years. In many areas it has been hunted and killed because it is believed to pose a threat to humans and domesticated animals (cattle, sheep, and reindeer). The gray wolf is declining faster in North America than in Europe. In the United States, its range is limited to Alaska (10,000); Northern...

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1. Physical Characteristics And Terms
   1. What are the largest and smallest living animals?
   2. How long do animals, in particular mammals, live?
   3. Besides humans, which animals are the most intelligent?
   4. Do all animals have red blood?
   5. How is the age of fish determined?
   6. Do animals have color vision?
   7. Can animals regenerate parts of their bodies?
   8. What names are used for groups of animals?
   9. What names are used for male and female animals?
   10. What names are used for juvenile animals?
   11. What is the difference between a pig and a hog?
2. Mammals
   1. Which mammal has the shortest gestation period? Which one has the longest?
   2. How many quills does a porcupine have?
   3. Are there any mammals that fly?
   4. How does the breath-holding capability of a human compare with other mammals?
   5. What is the difference between porpoises and dolphins?
   6. What are some animals that have pouches?
   7. How long does a gray wolf live?
   8. What is the chemical composition of a skunk's spray?
   9. Do camels store water in their humps?
   10. How do whales compare in weight and height?
   11. What is the difference between an African elephant and an Indian elephant?
   12. How long do wombats live and what do they eat?
   13. Is there a cat that lives in the desert?
3. Birds
   1. Why do birds migrate annually?
   2. Which bird migrates the greatest distance?
   3. Do all birds fly?
   4. Why do geese fly in formation?
   5. Which birds lay the largest and smallest eggs?
   6. How does a homing pigeon find its way home?
   7. Will wild birds reject baby birds that have been touched by humans?
   8. When was the bald eagle adopted as the national bird of the United States?
   9. What can an orphaned wild bird eat?
   10. What species of birds will nest in birdhouses?
   11. Can any birds fly upside down?
4. Aquatic Life, Reptiles, And Amphibians
   1. How many kinds of sharks are there and how many are dangerous?
   2. How do salmon find the way to their spawning grounds?
   3. How are coral reefs formed?
   4. How fast can a crocodile run on land?
   5. How much electricity does an electric eel generate?
   6. What are giant tube worms?
   7. What is the difference between a reptile and an amphibian?
   8. What kind of care do tadpoles need and what do they eat?
   9. Which poisonous snakes are native to the United States?
5. Insects And Spiders
   1. What are the stages of insect metamorphosis?
   2. What are some beneficial insects?
   3. How many species of insects are there?
   4. How does a butterfly differ from a moth?
   5. How many eggs does a spider lay?
   6. How long does it take the average spider to weave a complete web?
   7. What is the most destructive insect in the world?
   8. What is a "daddy longlegs"?
   9. What are "killer bees"?
   10. How many pairs of legs does a centipede have?
   11. How is the light in fireflies produced?
   12. Do male mosquitoes bite humans?
   13. What causes the Mexican jumping bean to move?
   14. How fast is a snail's pace?
6. Pets
   1. Why can a dog or cat hear a whistle that a human cannot?
   2. Do dogs and cats dream?
   3. Do dogs and cats have memories?
   4. Which breed is known as the "wrinkled dog"?
   5. Which breed is known as the "voiceless dog"?
   6. Why are dalmatians called "firehouse dogs"?
   7. Which breeds of dogs are the most dangerous?
   8. Why and how do cats purr?
   9. Why do cats' eyes shine in the dark?
   10. Why do cats like catnip?
   11. Which types of birds make the best pets?
   12. What do you feed a hermit crab?