Large dogs are often gentle giants with as much love to give as they are huge. Here are five of the world’s largest dog breeds.

The Great Dane

This large breed is easy to recognize, and they are known for being friendly, strong, and elegant. They normally get along well with people, other types of pets, and other dogs.

The Dane has roots in ancient history. The earliest known drawings that resemble the breed have been dated to around 3,000 BC, and the oldest written mention to 1,121 BC.

As one of the largest dog breeds, this black and white Great Dane, standing in a field of white flowers, needs an extra large PlexiDor Dog Door

The Irish Wolfhound

On a breed average these are the world’s tallest dogs. When standing on the back legs many Irish Wolfhounds reach seven feet!

This breed is known to be patient, intelligent, and reliable. They love people in general, and do well with children. Many Wolfhounds thrive in the city, but they need a lot of exercise.

The English Mastiff

On a breed average, this is the heaviest dog breed with individuals weighing over 250 pounds. It is also considered England’s oldest breed.

English Mastiffs are known for being on the lazy side and need to be activated to make sure they get the exercise they need to stay healthy. They’re devoted to their family, good with children, and accept other dogs.

An English Mastiff requires an extra large PlexiDor Dog Door

The Scottish Deerhound

The Scottish Deerhound resembles an extremely friendly rough-coated greyhound. They are known for being gentle, loving, and easy to please.

It’s important to know that these Deerhounds require lots of exercise and gets bored easily – if they have too little to do they might take upon themselves to reorganize the home or redesign furniture. They love to have company of another Deerhound.

The Scottish Deerhound laying in a field with yellow flowers requires an extra large PlexiDor dog door

The Leonberger

The Leonberger gets its name from the coat resembling a lion’s mane. Young Leonbergers can be very energetic and don’t settle down until around three years of age, but after that, nothing fazes them.

They’re surprisingly agile for their size, and require lots of exercise to stay happy and healthy.

This Leonberger,dog sitting on grass in a forest requires an extra large PlexiDor dog door.

Dog doors for giant dogs

If you want a dog door for the large breeds, the extra large PlexiDor dog door accommodates dogs up to 220 pounds. It is constructed to take the impact of a big and powerful dog running through at full speed.