Leadership challenge | Life
To have a chance of mating, any new male in the river must first defeat the overlord, the current dominant male.Tweet
The invasive chameleons of Hawaii | Earth's Tropical Islands
Invasive species like these chameleons are a threat to the native wildlfe of Hawaii.
Flying spiders | Life in the Undergrowth
David Attenborough looks at gossamer threads made by baby money spiders. The spiderlings use this gossamer to travel by 'ballooning'.