It's official, Zeus the 3 year-old Great Dane is the tallest dog ever. The humongous hound is 111.8cm and weighs in at 70.3 kg. This and the other pics here are from the new Guinness World Records 2013 book. www.bbc.co.uk/newsround/19586270
A tiger's claws could easily maul a man to death in preparation for a tasty meal.
Luckily, Dany, the 23-year-old Siberian tiger was sedated as he had his claws clipped by zookeepers in Slovakia. Dany is one of the oldest tigers in the world, so he would have had the treatment many times during his life in captivity.
The beast, on show at the zoo in Stropkov, is also one of the rarest animals in the world today. Tigers, along with gorillas, are on the brink of extinction due to hunting and ever-expanding human environments.