Optical illusions are fascinating visual phenomena that trick the brain into perceiving something different from reality.

A 3-year-old giraffe named Msituni jumped her enclosure to get a nibble of a nearby mesquite tree. Zoo officials say Msituni ...

Necks for sex In the 19th century, biologists Charles Darwin and his colleague Jean Baptiste Lamarck both speculated that giraffes' long necks helped them reach acacia leaves high up in the trees ...

March 6 (UPI) --An Arizona zoo opened late due to a 3-year-old giraffe escaping from her enclosure to make a meal out of a nearby tree. The Reid Park Zoo in Tucson said Msituni, a giraffe who has ...

They can pluck the leaves from even the spikiest of trees. How many hours do giraffes spend eating a day? Giraffes spend most of their time eating, feeding between 16 to 20 hours a day.

Before she showed off her leggy prowess to Reid Park Zoo visitors in Tucson, a young giraffe decided she wanted a treat from a tree outside her enclosure. Nancy Kluge, Reid Park Zoo's president ...

(B) Pictures of the three giraffe species in the study together with a family tree showing how they are related. Credit: Elin Videvall Important for the conservation of endangered giraffes ...

One day, a giraffe was born with a slightly longer neck. She could reach leaves further up the trees. When she had young, some of them also had longer necks and they too were better at reaching ...