Business humor and jokes, including humorous stories, experiences, and articles

In a zoology lab, the professor gives his teaching assistant a bird's foot and tells him:  

By visual examination of this extremity, you must tell me the family, genus, and species of the animal as well as its migratory habits and the number of fledglings per nesting. 

And the TA replies:

But how can I tell you all that with just one foot?

The teacher says:

You are fired. Let's see, what are your first and last names?

The TA takes off his shoe, shows the teacher his bare foot and says:

Guess...