When you need a girlfriend these days, the only place to go is Tinder. Even if your tastes are a little unusual, or you’re just looking for a onenight stand, the smartphone dating app usually delivers.

One of the newest profiles is for a chap called Sudan, and he sounds charming, if a little needy. “I’m one of a kind. No, seriously. I’m the last male white rhino on Planet Earth,” it reads.