I live in a small city in the US, where it’s grass everywhere. There’s lots of rabbits, but why aren’t there more? They eat grass, and there’s clearly more grass than they can eat at their current population size. There’s no significant predators to speak of, I don’t think. They breed legendarily quickly, there’s even an expression about it. So if food isn’t a constraint, predators aren’t a constraint, what is the constraint? I would think they should just increase population until we don’t have to cut our grass anymore.
In: Biology
24 rabbits were introduced to a private property in Australia in the 1850’s for sport and they multiplied to an estimated 1 billion population by 1880 as there were little to no natural predators.
Hopefully rabbits are native to the area where you live in the US and the natural course of predators, disease, humans etc keep their population in check.
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