Answer : No, a Dormouse is not heavier than a Donkey
The average weight of a Dormouse is 100 kg, (220 lbs) versus 238 kg, (525 lbs) for a Donkey 
 
| Name | Name:Dormouse | Name:Donkey | 
| Weight | Weight:100 kg, (220 lbs) | Weight:238 kg, (525 lbs) | 
|  | * ranges from .015 to 200kg | * ranges from 200 to 258kg | 
| Height | Height:n/a | Height:110 cm, (3 ft, 7.3 in ) | 
| Top Speed | Top Speed:12.8 kph, (8 mph) | Top Speed:24 kph, (15 mph) | 
| Lifespan in Wild (years) | Lifespan in Wild (years):3 | Lifespan in Wild (years):23 | 
| Description | Description:A dormouse is a little mouse with a long tail and long wiskers. They are tree climbers that come in many colors, including brown, grey, gold, tan, white, and black. | Description:Donkeys are beasts of burden, which are very useful in hauling packs and people. They have horse like faces, but are much smaller, and can be grey, brown, or black. | 
|  |  |  | 
| Name:Donkey | 
| Weight:238 kg, (525 lbs) | 
| * ranges from 200 to 258kg | 
| Height:110 cm, (3 ft, 7.3 in ) | 
| Top Speed:24 kph, (15 mph) | 
| Lifespan in Wild (years):23 | 
| Description:Donkeys are beasts of burden, which are very useful in hauling packs and people. They have horse like faces, but are much smaller, and can be grey, brown, or black. | 
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