The reproduction of an Oak tree | Oak Tree: Nature’s Greatest Survivor
George McGavin investigates the reproduction of an oak tree, and how millions of tiny pollen grains travel between one tree and another to pollinate female oak flowers.Tweet
The invasive chameleons of Hawaii | Earth's Tropical Islands
Invasive species like these chameleons are a threat to the native wildlfe of Hawaii.
Cockatoos | Australia: Earth's Magical Kingdom
A parrot finds a tree hollow to lay her eggs in, the hollow is dry and out of reach from predators. The cockatoos also want to use the hollow for nesting and fight the parrot.