Giant hogweed

What does it look like? Giant hogweed can grow up to five metres tall, often along footpaths and riverbanks.  Why is it dangerous? If the sap of the plant comes into contact with your skin, it can cause severe, painful burns and make your skin sensitive to strong sunlight. How can I avoid it? Learn … More Giant hogweed

Biting spiders

What does it look like? False widow spider False widow spider: They grow to 2 centimetres across and are a dark brown colour with a bulbous abdomen. This spider has a well-deserved reputation as Britains most dangerous spider, although there are no reported deaths and bites are quite rare. Adult female false widow spiders are known to … More Biting spiders


What does it look like? Why is it dangerous? Female horseflies have sharp cutting parts which can saw through even the skin of an ox, and then drink the blood from their wound. Only the females bite, as they need protein to produce their eggs: the males feed only from plants. The photograph above of … More Horseflies