Bird or Beast? Christina Rossetti

Did any bird come flying
         After Adam and Eve,
When the door was shut against them
         And they sat down to grieve?

I think not Eve's peacock
         Splendid to see,
And I think not Adam's eagle;
         But a dove may be.

Did any beast come pushing
         Through the thorny hedge
Into the thorny, thistly world
         Out from Eden's edge?

I think not a lion,
         Though his strength is such;
But an innocent loving lamb
         May have done as much.

If the dove preached from her bough
        And the lamb from his sod,
The lamb and the dove
         Were preachers sent from God.