Why is giraffe the only animal to have grown its neck longer?

My idea is that the prehensile tongue of the giraffe gave it the ability to eat acacia trees that other animals could not eat. read more

Initially, this could not have been so great an advantage if the proto-giraffe lacked a neck long enough to eat freely from this source, so my idea here presumes that at some point in the past, the acacia tree was reasonably shorter. read more

As the world’s tallest animal, giraffes can grow as high as 19 feet and weigh up to 2,800 lbs. They are the all-seeing mammal who pokes above the treetops. A Giraffe’s Lineage. Although, the giraffe isn’t the only animal to inherent long neck bones. Its distant relatives, both extinct and living, have signs of elongated necks. read more

Animals adapt to the availability of food & water. The giraffe loves acacia trees & they’re the only animal tall enough to get at it’s leaves. The acacia even evolved with thorns, still the giraffe ate it’s leaves. Even ants don’t deter them. read more