pigeon

Imagine a fifty-pound pigeon with the feet of a turkey, the beak of a toucan, and the prehistoric charm of a rhinoceros.

And the children had showed admirable restraint when it came to both squirrels and pigeons; Penelope had only had to offer a few cautionary reminders and the occasional distracting biscuit.

It released videos of pigeons strapped with joint-sized backpacks before revealing the move was a marketing stunt.

Until now, only humans and a few other vertebrates, including pigeons and macaques, were known to distinguish between these two durations.

They can be seen running up and down flapping their wings on the ledge – 34 storeys high – while their mother has been flying past with pigeons in her talons.