at least i think it's a bird......it flaps and rustles a bit every 20 minutes or so........doesn't sound in distress or anything.....probably like someone fluffing up their pillow every so often and then getting back to their kip

plan a didn't really do the job (just stood beneath the hatch whispering.'hey bird.....................bird.........

........bird................birdy..? nothing happened')

not sure what else to do.

maybe just tell dad when he comes back.

or open the latch and go do a bit of fearless investigating?.....