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The only mammals which lay eggs are the monotremes. These include the platypus and the two species of echidna, the short-beaked echidna of Australia and the long-beaked echidna of New Guinea.
In the case of the platypus, the eggs are about 11 - 15 mm in size, or about the size of a grape. Interestingly, only the left ovary is functional. Also, while the mother produces milk, she does not have teats.
The echidna lays eggs which are about the same size.
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What is Washington state's mammle?
Washington States Marine Mammal is the Orca (killer whale) and its Land Mammal is the Olympic Marmot which is a rodent in the squirrel family but about the size of your average domestic cat.
What size is the biggest mammal?
The blue whale is the biggest mammal.
What has the longest life span for a mammal its size with a life span averaging 32 years?
The Little Brown Bat, a common bat in North America, is believed to be the world's longest lived mammal for its size, with an average life span of 32 years.
What is the largest mammal and the smallest mammal in Africa?
An African Elephant is the largest mammal, at an average of 3.64 metres in height (for males) and weighing 5455 kg. Specimens of 6800kg have been documented. The smallest mammal in Africa is a pygmy shrew which is about the size of a human fingertip. Its habitat is subtropical or tropical moist lowland forests.
Is a bear a medium size mammal?
no.
The first dinosaur was about the size of what mammal?
The first dinosaur was about the size of a horse.
What species of mammal on average lives the longest?
The Bowhead whale is the longest living mammal.
Why are mammals different sizes?
If every mammal was the same size, it would be hard to hide from the predator or stalk the prey. Every mammal is the size it needs to be to survive.
What is the the strongest land mammal for its size?
The elephant probably
What is the only Irish mammal that can fly?
The pygmy shrew is Ireland's smallest mammal. About half the size of a field mouse.
What is the average guard hair length of a typical mammal species?
The average guard hair length of a typical mammal species is around 1-3 centimeters.
Is the whale shark or the blue whale the largest mammal on earth?
The Blue whale is the largest mammal on earth. average size of the whale is 87 feet long. that's about as big as a passenger jet. it is also the loudest animal on the planet. And the whale shark is a fish.
