The Burnt offering: Required to Be: A Male Without Blemish
Source: TTT
Leviticus 1:3
If one’s offering is a burnt offering from the herd, he is to present an unblemished male. He must bring it to the entrance to the Tent of Meeting for its acceptance before the LORD.
Leviticus 22:19
must offer an unblemished male from the cattle, sheep, or goats in order for it to be accepted on your behalf.