Biology & Science
How Tall Is a Giraffe? Adult and Baby Sizes in Feet and Metres
A giraffe’s height opens a different layer of the landscape. But a large adult, a newborn and a record-holder tell very different size stories.
Biology & Science
Giraffe guides covering biology & science. Explore clear explanations, scientific references and related reading in one focused collection.
18 articles
Biology & Science
Why Do Giraffes Have Long Necks? Evidence and Evolution
Reaching leaves and swinging at a rival are visible. Reconstructing how the same extraordinary neck evolved takes several different kinds of evidence.
Biology & Science
What Do Giraffes Eat? Leaves, Thorns and Diet
A landscape can have plenty of trees and still offer a giraffe the wrong food. The important questions are which plants, which parts, and which season.
More to explore
- 10 min read
Giraffe Heart and Blood Pressure: How the Tallest Mammal Copes
How does a giraffe pump blood up its neck and lower its head to drink? Explore heart size, blood pressure, vessel adaptations, and the latest research.
- 9 min read
Giraffe Tongue: Length, Colour and How It Works
A giraffe’s tongue is about 45–50 cm long. Explore its dark colour, gripping movement, feeding anatomy, and what the sunscreen explanation really means.
- 9 min read
Why Do Giraffes Have Spots? Coat Pattern Science Explained
Why giraffes have spots, how researchers identify individuals, and what studies reveal about inherited patterns, camouflage, heat and survival.
- 10 min read
Baby Giraffe Facts: Birth, First Steps and the First Year
A baby giraffe starts life with a dramatic drop. Discover calf size, first steps, nursing, nursery groups and what research reveals about survival.
- 10 min read
How Long Do Giraffes Live? Wild and Zoo Lifespans
Giraffes can reach their twenties, and some zoo animals their thirties. Compare wild and zoo evidence, average lifespan, maximum age and survival.
- 10 min read
Giraffe Behaviour: Social Groups, Sounds and Relationships
Explore giraffe behaviour through research on changing groups, female relationships, sparring, nighttime sounds, sleep, and the effects of human proximity.
- 9 min read
Giraffe Predators: What Eats Giraffes and How They Survive
Lions can kill adult giraffes, but the risks change with age and place. Explore predator evidence, calf survival and the limits of dramatic wildlife clips.
- 8 min read
How Do Giraffes Sleep? Standing, Lying Down and Sleep Time
Do giraffes sleep standing up? Compare sleep postures, minutes versus hours, and research from Namibia and zoos, with links to the original studies.
- 10 min read
Giraffe Horns: What Ossicones Are and What They Do
Giraffe horns are called ossicones. Learn how they differ from horns and antlers, which animals have them, and what anatomy reveals about their growth.
- 10 min read
What Sound Does a Giraffe Make? Hear a Real Recording
Listen to a real giraffe humming recording. Compare hums, hisses and snorts, and discover what research can—and cannot—tell us about their meaning.
- 9 min read
Giraffe Pregnancy: Why 15 Months Is Only Part of the Story
Giraffes are pregnant for about 15 months. Discover how gestation, first birth and time between calves differ—and what wild and zoo studies actually show.
- 12 min read
How Giraffes Drink: From Splayed Legs to Swallowing
See how giraffes reach water, take it into the mouth, swallow with the head down, and raise the head—plus what the evidence still cannot show.
- 12 min read
How Fast Can a Giraffe Run? What Research Measured
Giraffes are often said to reach 60 km/h. Compare that claim with measured field speeds and learn how stride, gait, and camera error shape the answer.
- 10 min read
Giraffe Weight and Size: Kilograms, Pounds and Context
How much does a giraffe weigh? Compare adult male, adult female and newborn references in kilograms and pounds, with measured-study context.
- 13 min read
How Giraffe Adaptations Work: Evidence, Not Myths
Explore giraffe adaptations for feeding, circulation, movement and heat, with a clear guide to what scientists observed, tested or still infer.