Reference for Kiddushin 109:1
תנן התם בהמה שנמצאת מירושלים למגדל עדר וכמדתה לכל רוח זכרים עולות נקבות זבחי שלמים ...
We learnt elsewhere: If an animal is found between Jerusalem and Migdal Eder<span class="x" onmousemove="('comment',' Gen, XXXV, 21. Lit., 'Fold Tower,' a place not far from Jerusalem, on the road to Bethlehem.');"><sup>1</sup></span> or an equal distance [from the city] in any direction: the males are burnt-offerings; the females are peace-offerings.<span class="x" onmousemove="('comment',' Most cattle that wandered out of Jerusalem had been consecrated for sacrifices, and cattle found within this distance were feared to have strayed out. The females are peace-offerings, since only males could be burnt-offerings (Lev. I, 3) .');"><sup>2</sup></span> Now, can males be only burnt-offerings and not peace-offerings!<span class="x" onmousemove="('comment',' Surely not. They may be the latter: how can they be sacrificed as burnt-offerings?');"><sup>3</sup></span>