What bird species builds such large nests?
The sociable weaver is a species of bird endemic to Southern Africa. They build large compound community nests, a rarity among birds. These nests are the largest built by any bird, and are large enough to house over a hundred pairs of birds, containing several generations at a time.
Answers by country
the United States
How do baby birds get oxygen inside their eggs?
They have a large oxygen supply from the start
Oxygen is created during protein reduction
Oxygen comes in through pores in the shell
They don't need oxygen at all
Where is it NOT possible to find a penguin?
on Galapagos Islands (near equator)
in South America
What is the color of eyes of owls that hunt at night?
it doesn't matter, all owls hunt at night