Chapter 1
The physiological superpowers of savanna giants
Chapter 2
Ecosystem engineers of the savanna
Chapter 3
The chess game of predator and prey
Chapter 4
Inside the modern game reserve
Ch 1 · The physiological superpowers of savanna giants
thabo Thick blood vessel walls and tight lower-leg skin protect them from their extreme 280/180 mmHg blood pressure.
Quiz
Which Latin-named vascular network acts as a pressure-regulating buffer when a giraffe lowers its head to drink?
Quiz
What physical feature on a giraffe's lower legs prevents blood from pooling under high pressure, inspiring NASA spacesuit designs?
thabo Their specialized belly feathers act like sponges, holding water for the long flight.
Quiz
Approximately how much water can a male Namaqua sandgrouse carry in its specialized belly feathers back to its chicks?
Quiz
What structural change occurs in a Namaqua sandgrouse's belly feathers when they are dipped in water?
Fun Fact
Hippo sweat science: Hippo 'blood sweat' is actually hundreds of times more acidic than vinegar, allowing it to kill bacteria and prevent wounds from getting infected.
Quiz
What are the names of the two pigments found in a hippopotamus's skin secretion that act as sunscreen?
Quiz
Which of these common myths about a hippopotamus's red skin secretion is actually false?
Glossary
surface-to-volume ratio (noun)
The mathematical relationship between the outer surface area of an object and its internal volume. Large savanna mammals leverage this low ratio to absorb less environmental heat, reducing their water needs for cooling.
The mathematical relationship between the outer surface area of an object and its internal volume. Large savanna mammals leverage this low ratio to absorb less environmental heat, reducing their water needs for cooling.
thabo Cheetah Overheating Myth Debunked
They never overheat in a lightning chase, It's the stress of the catch that warms their pace!
Quiz
What is the true primary reason a wild cheetah terminates an unsuccessful high-speed chase?
Quiz
Why does a cheetah's body temperature spike significantly after a successful hunt rather than during it?