•Horse: Horses can grow up to 144-166 cm in length and are measured in hands, Horses can grow up to 142.2 cm to 174.8 cm in height and weigh up to 1.5 tons or as light as 26 kg. On average they're gestation period is 340 days and usually give birth to one foal at the time with a rare occurrence with twins which the twin does not survive, Their average lifespan is 25 to 33 years. Horses can also run up to 65km per hour.
•Donkey: Donkeys can grow up to 170 cm long and 160 cm tall or as short as 79 cm tall and as short as 90 cm long . Donkeys can weigh up to 500 kg. On average a donkeys gestation period is roughly a year or 365.2 days they usually have one at a time just like horses and also have twins rarely. They have an average lifespan of a donkey is 30 to 50 years in rich prosperous countries where they are used as pets or just for milk and other things but in countries like Sudan ,Uganda , Cambodia and Third world countries they live to about 12-17 years. Donkeys can also run up to 45km per hour
•Mule: Mules grow up to 124 cm height and also grow the same height. Mules Can range between 360 to 470 kg in weight. Mules do not have gestation period as they have an odd numbers of chromosomes of 63. They're average lifespan is 25-37 years old if they are being cared for properly, some mules have reached to their 40’s. Mules can also run around the same speed as donkeys or probably around 50-60 km per hour.