Animal Reproduction

A:

There are few observable traits distinguishing migrating animals from non-migratory species. Many birds, such as Arctic terns, mallards and bar-tailed godwits migrate across vast distances, while some of their close relatives remain in the same place all year. There are species of birds, fish, mammals, and even reptiles and amphibians that migrate each year.

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  • How do peacocks give birth?

    Q: How do peacocks give birth?

    A: Peacocks do not give birth because they are the males of the species. It is the females, which are called peahens, who give birth by laying eggs.
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  • How do I know when my dog is ready to give birth?

    Q: How do I know when my dog is ready to give birth?

    A: There are a number of behavioral signs that a dog is ready to give birth, including a loss of appetite and restlessness. A pregnant dog will lose interest in food about 24 hours before delivering her puppies, according to PetMD.
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  • How do snails mate?

    Q: How do snails mate?

    A: According to About.com, most land snails are hermaphrodites. Following courtship in early summer, a pair of snails inseminate each other through a reproductive opening located near the front of the body, resulting in fertilized eggs.
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  • How many days does it take a turkey egg to hatch?

    Q: How many days does it take a turkey egg to hatch?

    A: Turkey eggs hatch between 25 and 31 days after being laid. Turkeys lay between 4 and 17 eggs once per year. They can breed within their first year, but males typically do not because they must compete for mates with older males.
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  • What are some animals without tails?

    Q: What are some animals without tails?

    A: There are countless animals without tails, and all of them fall under the category of "invertebrates." Invertebrates are animals that don't have backbones (and therefore don't have tails either). Some examples include centipedes, insects, grasshoppers, butterflies, snails, octopuses, spiders, worms and scorpions.
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  • How do peacocks mate?

    Q: How do peacocks mate?

    A: During the mating season, the male peacocks use their colorful feathers to attract the female peahens. The males use their feathers to form a large train that is then maneuvered in courtship displays. The peahens choose peacocks depending on the color, size and quality of the feather trains.
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  • What is the cause of phantom pregnancy in dogs?

    Q: What is the cause of phantom pregnancy in dogs?

    A: According to PetMD, phantom pregnancy in dogs, also known as false pregnancy or pseudopregnancy, is most likely caused by hormonal imbalances, especially of progesterone and prolactin. The female dog starts showing pregnancy symptoms or begins lactating within a month or two after her latest heat cycle (estrus) concludes.
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  • Which animals lay eggs?

    Q: Which animals lay eggs?

    A: Birds lay eggs, although there are other egg-laying animals, including two mammals: the duckbill platypus and the echidna. These two creatures are natives of Australia. Scientists call these primitive egg-laying mammals monotremes.
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  • What animal has the largest litter?

    Q: What animal has the largest litter?

    A: The common tenrec — a hedgehog-like creature from Madagascar — produces the largest litters among mammals. The average litter of this small animal includes approximately 18 young, but litters up to 32 have been recorded. Tiger snakes also produce very large litters; the largest ever recorded contained 126 baby snakes.
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  • How do parakeets reproduce?

    Q: How do parakeets reproduce?

    A: During parakeet reproduction, the male stands on the back of the female, tucks his tail beneath hers, and rubs their cloaca together to stimulate ejaculation. This process fertilizes the eggs that the female lays.
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  • What animals eat lemurs?

    Q: What animals eat lemurs?

    A: According to the National Wildlife Federation, the animals that eat lemurs are primarily fossa, which is a relative of the mongoose that lives in Madagascar. However, recently humans have also started to eat lemurs, due mostly to poverty.
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  • How do snakes reproduce?

    Q: How do snakes reproduce?

    A: Some snakes reproduce by laying eggs while other species give birth to live young. How snakes reproduce depends on the species and also the location. In cooler regions of the world, snakes reproduce only in spring and summer, while in warm regions they may reproduce all year long.
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  • How do various animals take care of their young?

    Q: How do various animals take care of their young?

    A: The way an animal takes care of its young is determined by the type and species of the animal. All birds lay eggs that they must protect and incubate, although this is accomplished in different ways based on the bird's species. The majority of mammals give birth to live young and care for them in a variety of ways until a specific age is reached.
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  • How long do kangaroos live?

    Q: How long do kangaroos live?

    A: Kangaroos may live anywhere from nine to 22 years on average. The life span of a kangaroo depends on the species and whether the animal lives in the wild or in captivity.
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  • How do fish make babies?

    Q: How do fish make babies?

    A: Most fish breed by spawning, or laying eggs, according to Petalia. Some fish species give birth to live babies. Spawning fish reproduce when males fertilize the eggs after they are laid, while livebearing females are directly fertilized by the males.
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  • What is the difference between spay and neuter?

    Q: What is the difference between spay and neuter?

    A: Spaying and neutering are both procedures used to sterilize animals like dogs and cats, but spaying refers to the procedure done to female animals while neutering is the corresponding process for males. Spaying involves taking out the uterus and ovaries while male pets are neutered by taking out the testicles.
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  • What is a baby fox called?

    Q: What is a baby fox called?

    A: A baby fox is called a kit, a pup or a cub, and at birth he resembles a puppy, with a short nose and ears and brown fur. A baby fox grows rapidly and reaches adult size around 6 months of age.
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  • How do insects reproduce?

    Q: How do insects reproduce?

    A: Depending on the species, insects may reproduce either sexually or asexually. Sexual reproduction requires one egg from a female and a sperm from a male. The sperm fertilizes the egg, which resides in the female through its term to hatch insects when the growth and development stage is complete.
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  • How do polar bears reproduce?

    Q: How do polar bears reproduce?

    A: Polar bears reproduce via internal fertilization, with one male mating with several females during the mating season, staying with each for their three-day period of fertility. Mating occurs between late winter and early spring, after which gestation lasts anywhere between 195 and 265 days due to the females' ability to delay fetal development. Litter sizes range from one to four cubs but average two cubs per litter.
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  • How often do rabbits mate?

    Q: How often do rabbits mate?

    A: Rabbits in the wild mate continuously throughout their breeding season, which lasts from February through September. Female rabbits ovulate after they mate and are considered to be constantly fertile.
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  • What is a baby goat called?

    Q: What is a baby goat called?

    A: According to Goat World, a baby goat is called a kid. A kid is considered any baby goat under 6 months of age. The term is used for both male and female goats. Billy is also a name used for a male goat.
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