Sunan an Nasai
864
Sahih+2

Abu Hurairah narrated that the Messenger of Allah (ﷺ) said:"The likeness of one who comes early to prayer is that of one who sacrificed a camel, then the one who comes after him is like one who sacrificed a cow, then the one who comes after him is like one who sacrificed a ram, then the one who comes after him is like one who sacrificed a chicken, then the one who comes after him is like one who sacrificed an egg

SahihAbu Ghuddah
SahihAl-Albani