3.5 million
550
About 20,000,000 to 30,000,000
about 300,000
Many penguins have been killed by seals. So, I would say about 20 million penguins are still alive including the penguins keep in captivity.
there are more than 499,999 rockhopper penguins in this earth today
No. They are alive
Purple penguins are present on the earth due to genetic mutation and adaptation.
Yes.
all of them are
Yes, anything that is alive can die. Penguins are birds, a kind of animal.
Yes.
No. There are many alive on the Earth.