Reference for Chullin 281:8

א"ל ההוא מרבנן לרבא

and the eggs with the young.<span class="x" onmousemove="('comment',' I.e., as the young are living beings so the eggs must be such as can produce living beings, thus addled eggs are excluded, v. Mishnah supra. Consequently the expression 'a nest', signifying any nest whatsoever, includes a nest that has but one young or one egg in it.');"><sup>5</sup></span>