Episode Overview
This episode delves into the dynamics of animals that thrive in social structures. It contrasts the lone eagle with whooper swans arriving in Scotland after an epic 1,600-kilometre trek from Iceland. Upon landing, they must compete for territory against established residents, with pairs or families often emerging victorious. Attenborough highlights farmyard chickens to illustrate the concept of a pecking order. A pride of lions collaborates to take down a buffalo, patiently waiting their turn at the feast. The complex hierarchy within baboon troops of up to 150 is explored, while vampire bats showcase altruism by sharing blood with less fortunate neighbors. Dwarf mongooses operate in small family units, with some foraging and others on predator watch. The extreme cooperation of underground naked mole rats is revealed, where 80-strong colonies consist of workers, soldiers, and a single breeding queen. Leafcutter ants are shown meticulously transporting food underground to