Feral cats are only feral to us, which simply means lack of human socialization/exposure.
Cats are all cats to one another.
She is a she, so there's no threat of any unneutered male cats hurting her or intimidating her away from their territory and mate, so my guess would be it's an unneutered male looking for a mate, and he may be aggressive about it too.
If he were to actually corner her and mount her, which likely will not happen, but if he did, he would bite down on her neck to hold her down, which can cause injury, especially with her being so small.
Sorry but that would be enough for me, I'd keep her inside only. She's small, she will handle it.
Cats are all cats to one another.
She is a she, so there's no threat of any unneutered male cats hurting her or intimidating her away from their territory and mate, so my guess would be it's an unneutered male looking for a mate, and he may be aggressive about it too.
If he were to actually corner her and mount her, which likely will not happen, but if he did, he would bite down on her neck to hold her down, which can cause injury, especially with her being so small.
Sorry but that would be enough for me, I'd keep her inside only. She's small, she will handle it.