1886 Aug. 559 The soil..was burrowed by the birds [sc. puffins] into a perfect honeycomb of passages, and so completely undermined that it was impossible to walk without frequently breaking into the nesting-holes beneath.
1936 29 379 The height above ground of the nesting-hole varies according to the choice there is of decayed wood.
1992 Sept. 190/3 Note the pigeon nesting-holes in the farmhouse opposite.