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
If you live in the north and have cold, snowy, winters, enough food is a huge issue for rabbits. Until snow, they have plenty, but after that they must eat whatever they can find, from twigs to tree bark. Only 30% of the rabbit population survives northern winters
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