altricial

Rabbit Oryctolagus cuniculus crouched ready for escape, in profile, cut to white

Rabbit Oryctolagus cuniculus crouched ready for escape, in profile, cut to white

Dead baby rabbit with swollen neck due to tumour, the rabbit was found dead on moor land and illustrated soon after

Tawny Owlets Strix aluco sitting clustered together on a branch covered in grey down feathers

Cuckoo Cuculus canorus