They're both.
Depends on what you mean by "biggest", but, no. Plenty of animals that are heavier and wider. But measured from the ground and up, giraffes are the tallest.
No, mainly because they cannot exist in the same habitat. Seahorses are marine animals and giraffes are land mammals.
The animals are giraffes (tall herbivores) and aardvarks (insect-eating mammals).
Giraffes are mammals.
The average life span is 25 years. http://animals.nationalgeographic.com/animals/mammals/giraffe.html
No. Peacocks are birds. Giraffes are not birds, they are mammals.
No. Giraffes are placental mammals, not marsupials, so they do not have pouches.
the animals that live in herds are giraffes,zebras,horses,sheep,cows(cattle),goatsand any other mammals like these
Yes, giraffes are land mammals.
they are mammals,PERIOD.
No. Giraffes are placental mammals. Unlike marsupials, the female does not have a pouch.
Giraffes are mammals. Mammals do not lay eggs.