They usually lay 2 eggs each breeding season and take turns sitting on this pair of eggs to keep them warm and safe from predators. When food is short, only one of the two chicks may survive.
The most common number is '2' but in rare cases 3 or even 4 cubs are born in one litter.
Mostly by the call of their voice, its unique so penguins can recognize their mates and offspring in the mass of penguins.
Mostly rocks and twigs that the male finds from different places, they have to look out for other Adelie penguins, because they steal each other's pebbles and twigs. Your Welcome :)
Penguin calls (vocalizations) are individually identifiable, allowing mates to recognize each other and also their chick. This is important because members of a large colony of penguins are nearly indistinguishable by sight
No. All penguins are sea birds and they make their homes in sea water where they can find food. Four types of penguins do, however, breed on Antarctica's beaches for a few weeks each year: Emperor, Adelie, Gentoo and Chinstrap.
in cells and genetics
! or 2 sea turtle eggs will service
Species
they can have anything between 3 and 8 each time they breed
Of course - with their own mates, but not with each other.
The sound of each other's voice
For food,space,dominance,mates,and for territory!