A family of swallows are nesting inside a Land Rover used for nature tours in Pensthorpe Nature Reserve in Norfolk, England. Five eggs hatched, and the babies continue to thrive while the vehicle is in use. Warden Darren Williams says two chicks have fledged but still follow the Land Rover around.
"I feel like a surrogate father and I'm sure all the hot air from my tour patter was keeping them warm.
"The nest is just on top of a speaker and we've rigged up a swallow hammock from a little bit of netting in case they fell out as we bounced over the rough terrain."
The nest was initially removed from the vehicle to discourage the birds nesting so close to the public, but the adult swallows began to build again as soon as it was removed.
Mr Williams said: "This is uncharted territory for us.