Answer : A Cow is lighter than an Elephant
The average weight of a Cow is 650 kg, (1433 lbs) and the average weight of an Elephant is 4500 kg, (9921 lbs)
 
| Name | Name:Cow | Name:Elephant | 
| Weight | Weight:650 kg, (1433 lbs) | Weight:4500 kg, (9921 lbs) | 
|  | * ranges from 400 to 800kg | * ranges from 3,000 to 5,400kg | 
| Height | Height:170 cm, (5 ft, 6.9 in ) | Height:285 cm, (9 ft, 4.2 in ) | 
| Top Speed | Top Speed:40 kph, (25 mph) | Top Speed:40 kph, (25 mph) | 
| Lifespan in Wild (years) | Lifespan in Wild (years):16 | Lifespan in Wild (years):62 | 
| Description | Description:Cows are usually brown, black, and/or white, typically spotted. They eat grasses, flowers, and seeds, live in herds, and are used for milk. | Description:Elephants are large, with grey leathery skin. They are social animals with fan like ears and very long trunks for noses. They are able to use their trunks for a variety of purposes, just as though they were hands. | 
|  |  |  | 
| Name:Cow | 
| Weight:650 kg, (1433 lbs) | 
| * ranges from 400 to 800kg | 
| Height:170 cm, (5 ft, 6.9 in ) | 
| Top Speed:40 kph, (25 mph) | 
| Lifespan in Wild (years):16 | 
| Description:Cows are usually brown, black, and/or white, typically spotted. They eat grasses, flowers, and seeds, live in herds, and are used for milk. | 
|  | 
| Name:Elephant | 
| Weight:4500 kg, (9921 lbs) | 
| * ranges from 3,000 to 5,400kg | 
| Height:285 cm, (9 ft, 4.2 in ) | 
| Top Speed:40 kph, (25 mph) | 
| Lifespan in Wild (years):62 | 
| Description:Elephants are large, with grey leathery skin. They are social animals with fan like ears and very long trunks for noses. They are able to use their trunks for a variety of purposes, just as though they were hands. | 
|  |