Zookeeper Pippa Green carries out Bristol Zoo Garden's annual animal census with the penguins today.
The time-consuming chore of counting each and every animal in their collection can throw up interesting challenges - from finding a suitable method for counting thousands of tiny insects to distinguishing one penguin from another.
Attacks such as yesterday's horrific murder in Woolwich didn't happen before the 'war on terror.' It's time we recognised the consequences of the conflicts we've unleashed