The penguin species usually have only one offspring per couple.
Penguin couples typically have only one penguin chick per year.
2
2 years
Penguins - like all birds - don't have babies, they lay eggs.
Usually, penguins lay one egg per breeding season.
just like rockhopper penguins, except bigger
Reindeer usually have one calf at a time.
one at a time usually
usually one at a time.
Usually one or rarely two.
rabbits can have as many babies as posibble but it is unfair to make them have too many !
Penguins lay 1 egg a year.