Answer: He reads the play by play and instead of saying their names, he says their birthdays. This shows us that the best ones were born early in the year.
Animal characters usually exhibit what you've described. Stereotypes regarding animals such as the lion being courageous or the fox being sly are usually found as traits of the characters themselves when created as anthropomorphic characters.
Tibi and Yosi are Zionists. Along with Eliezer, they make a plan to move to Palestine after the war. When he arrives at Auschwitz, Eliezer encounters the historically infamous Dr. Mengele.
