Cows are notorious for producing methane gas during digestion, primarily due to their specialized stomachs and fermentation processes.
Cows
Termites have specialized microbes in their digestive systems that help them break down cellulose, releasing methane gas as a byproduct.
Termites
Kangaroos have unique gut bacteria that produce methane as they digest fibrous plant materials.
Kangaroos
Camels
Camels are ruminants and, like cows, produce methane during the digestion of their food.
Sheep
Similar to cows, sheep have a digestive system that generates methane gas during fermentation in their stomachs.
Horses
Horses also possess a digestive system that can lead to methane production during fermentation.
Elephants
The fermentation of plant material in an elephant's complex digestive system can result in the release of methane gas.
Zebra Finches
Research has shown that zebra finches produce methane as a result of their digestion, although their size means the overall contribution is likely lower compared to larger animals.
Humans
While not on the same scale as animals like cows, humans also produce methane gas as a result of digestion and bacterial activity in the gut.