Since
a platypus
lays eggs, it is often mistaken for a bird or reptile. A platypus is not a bird or reptile. It is a mammal. They are one of three mammals in the group of monotremes.
What animal lays eggs not a bird?
Birds and fish are not the only animals that lay eggs. Insects, turtles, lizards, and reptiles lay eggs, too. Only two mammals lay eggs: the
platypus
and the echidna.
What are the 3 mammals that lay eggs?
These three groups are
monotremes, marsupials
, and the largest group, placental mammals. Monotremes are mammals that lay eggs. The only monotremes that are alive today are the spiny anteater, or echidna, and the platypus. They live in Australia, Tasmania, and New Guinea.
What animal lays eggs but does not fly?
The platypus
(Ornithorhynchus anatinus) has a puzzling array of features. Not only does it have that iconic duck bill, it lays eggs like a bird or reptile but feeds milk to its young like a mammal.
What are the 2 mammals that lay eggs?
Mammals. As for us mammals, only two types lay eggs:
the duck-billed platypus and the echidna
.
What are the 5 mammals that lay eggs?
Only five species of animals share this extraordinary egg-laying trait:
the duck-billed platypus, and four echidna species, the western long-beaked echidna, eastern long-beaked echidna, short-beaked echidna
, and Sir David’s long-beaked echidna. All of these monotremes are only found in either Australia or New Guinea.
Does a turtle lay eggs?
All turtles, including sea turtles, lay their eggs on land
. Female turtles dig their nests in summer, typically in June or July. Some species will excavate a number of holes; these “false nests” may serve as deterrents for predators. After laying eggs in the hole and covering them with dirt, the female departs.
What are mammal eggs called?
Mammals that lay eggs are called
monotremes
and include platypuses and echidnas, both of which live in Australia.
What are egg laying animals called?
Oviparous animals
are female animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive method of most fish, amphibians, most reptiles, and all pterosaurs, dinosaurs (including birds), and monotremes.
Do snakes lay eggs?
Answer:
No! While snakes are known for laying eggs
, not all of them do so! Some do not externally lay eggs, but instead produce young by eggs that are hatched internally (or inside) the body of the parent. Animals that are able to give this version of live birth are known as ovoviviparous.
What animals dont lay eggs?
Birds, insects, reptiles and fishes are oviparous animals. Animals which reproduce by giving birth to their young ones are called
viviparous animals
. These animals do not lay eggs. Mammals like cat, dog and man are viviparous animals.
Does a platypus lay an egg?
A female platypus usually lays only two eggs at a time
and rarely leaves her stream-side den while nursing her young. When she does leave, she plugs the den opening with dirt. The platypus is one of just a handful of mammals that lay eggs. Another monotreme?
Does frog lay egg?
Most frogs and toads begin life as eggs floating in the water. A female may release up to 30,000 eggs at once. Each species of toad and frog
lays eggs at different times
. … Frogs lay them in clusters, or large globs.
Does a shark lay eggs?
There are over 500 species of shark living in waters around the world and the majority give birth to live young.
The remainder are oviparous
, meaning they lay eggs. Around 40 to 50 different shark species live permanently in or regularly visit the waters surrounding Britain.
What animals lay eggs in the ground?
Because eggs in ground nests have color, they are harder for predators to find. Examples of cavity nesters are
woodpeckers, owls, kestrels and some flycatchers and swallows
. Ground nesters include plovers, gulls and most ducks, geese and swans.
What reptiles dont lay eggs?
While most reptiles lay soft eggs, there are a few exceptions of reptiles that give live birth to their young. These exceptions are boas,
garter snakes
, and vipers, all types of snakes; skinks, a small lizard; and Jackson’s chameleon, a true chameleon native to Kenya.
Do dolphins lay eggs?
Like every mammal, dolphins are warm blooded. … Other characteristics of dolphins that make them mammals rather than fish are that they give birth to live young rather than
laying eggs
and they feed their young with milk.
Do turkeys lay eggs?
A turkey hen lays one clutch of eggs per year
, these clutches can as small as four to as large as 17 eggs per nest (that’s a big clutch and that’s cool fact #1)! The hen lays only one egg each day, so if she lays 14 eggs it takes two full weeks to lay the entire clutch.
Do all reptiles lay eggs?
All reptiles, including aquatic ones,
lay their eggs on land
. Reptiles reproduce sexually through internal fertilization; some species are ovoviviparous (lay eggs) and others are viviparous (live birth).
Do penguins lay eggs?
All penguin species must return to land or ice for breeding. They will time breeding to an optimum time for productivity in the ocean for finding food to their chicks.
Emperor and king penguins lay one egg while all other penguins lay two eggs
. When laying two eggs, they are spaced between 24-48hrs apart.
Do lizard lay eggs?
Most lizards reproduce by laying eggs
. … A clutch of four to eight eggs may be considered typical, but large lizards such as the iguanas may lay 50 or more eggs at one time. Lizard eggs are usually leathery-shelled and porous; they can expand by the absorption of moisture as the embryos grow.
How do tortoise lay eggs?
The turtle
uses her hind legs to dig a nest
and when it is ready she deposits the eggs. Bigger turtles tend to lay bigger eggs and more eggs per clutch. … Many turtles and tortoises lay more than a single clutch of eggs each year and, interestingly, a single clutch of eggs can have multiple fathers.
How are mammals different from egg laying animals?
Mammals are hairy, produce milk, are warm-blooded, and give birth to live young… except for
two animals
. … There is a group of mammals, called monotremes, that lays eggs instead of giving birth to live young. Monotremes are a pretty exclusive bunch.
What animal lays the most eggs?
Insects are no slouches when it comes to reproduction and
the African driver ant
, which can produce 3 to 4 million eggs every 25 days, is thought to be the most generous of all.
Do beavers lay eggs?
Beavers mate during the winter, from January to March. The Eurasian beaver has a gestation period of around 60 to 128 days. Then, they give birth to one to six babies that weigh around 8.1 to 22 ounces (230 to 630 grams), according to ADW.
What’s the opposite of a mammal?
The word mammal typically refers to vertebrates of the class Mammalia.
There are no categorical antonyms for this word
. However, one could loosely refer to animals of any unrelated class as antonyms, e.g., birds (Aves), reptiles (Reptilia), or amphibians (Amphibia).
Do snails lay eggs?
After fertilization, the eggs go through a process of growth inside the snail, until they are ready to be delivered. After that,
both snails lay their eggs
and bury them in separate places inside a small hole made in the topsoil in a cool place. … It will typically take a snail egg two to four weeks to develop.
Does Anaconda lay eggs or not?
Unlike most snake species,
anacondas don’t lay eggs
. They have live births.
Do crocodiles lay eggs?
A
single female typically lays
a clutch of between 30 and 60 eggs that incubate for 80 and 90 days. Temperatures of the nest during a period of incubation determine the sex of the hatchling crocodiles.
What are egg laying birds called?
animals which produce young ones by laying eggs are called
oviparous animals
. soobee72pl and 9 more users found this answer helpful.
What animals lay unfertilized eggs?
Fish and amphibians that dwell in water
lay unfertilized eggs which are fertilized externally when the male releases sperms on top of the eggs. In both instances, embryonic development takes place outside the mothers’ body.
Does a butterfly lay eggs?
Eggs are laid on plants by the adult female butterfly
. … Eggs can be laid from spring, summer or fall. This depends on the species of butterfly. Females lay a lot of eggs at once so that at least some of them survive.
What are spider eggs?
A female spider wraps her young in a
silken egg sac
, which she may hide in a web or carry with her as she forages through your house. Female brown and black widow spiders can produce 10 to 20 egg sacs in their lifetime, each containing 150 to 300 eggs. … However, the survival rate for these eggs is low.
How do snakes lay eggs?
Eggs are expelled from the uterus through uterine and cloacal contractions. A
snake will lift her tail and lay eggs
! She will lay all of her eggs in a pile and they stick to each other. Snakes lay either soft eggs (i.e. pliable-shelled) or hard eggs (i.e. rigid-shelled).
What animal laid the first egg?
Back to our original question: with amniotic eggs showing up roughly 340 million or so years ago, and the
first chickens
evolving at around 58 thousand years ago at the earliest, it’s a safe bet to say the egg came first. Eggs were around way before chickens even existed.
Is a duck a mammal?
Ducks are neither mammals nor amphibians
. They are birds. All birds belong to the taxonomic class Aves.
Do rabbits lay eggs?
Allow us to clear this up:
No, bunnies do not lay eggs
. As placental mammals, rabbits develop embryos inside a uterus and, after a pregnancy lasting about 31 to 33 days, give birth to a litter of often 12 or more bunnies.
Do spiny anteaters lay eggs?
Echidnas, also called spiny anteaters, are walking contradictions. They are mammals, but
they lay eggs
. … Echidnas are monotremes, egg-laying mammals.
Does a bat lay eggs?
Bats do not lay eggs because they are mammals
. Like other mammals, bats give birth to their pups and nurse them with milk from their bodies. Bats are considered one of the slowest reproducing animals in the world and female bats often only produce one offspring per year.
Do kangaroos lay eggs?
Kangaroos do not lay eggs because they
are marsupial mammals that give birth to live young. Kangaroos usually give birth to one baby that stays in their pouch for at least 6 months, considering that the baby is born very undeveloped.
Do crabs lay eggs?
A female crab can produce
up to 100,000
eggs.
Do whales lay eggs?
Do whales lay eggs?
The answer is no
. Because whales are marine mammals, the females carry the offspring in their wombs and have live births! However, since whales are fully aquatic mammals, how whales give births is much different than the births of terrestrial and semi-aquatic animals.
Do snake eggs have yolk?
Reptiles do lay eggs that have yolks
(just like birds, their developing babies use the yolk as a food source while they’re growing in the egg), but they’re not really much like chicken eggs at all.
