A pelican represented in the act of wounding her breast to feed her young with her own blood. This came from a tale told in the Middle Ages, which made the bird the adopted symbol of the Redeemer.
Likewise a folktale from India says that a pelican killed her young by rough treatment but was then so contrite that she resurrected them with her own blood.
As a result, the pelican became a symbol of the Passion of Jesus and of the Eucharist.
(Located in Calvary Cemetery in St. Louis, MO)
Catholic Eye Candy has a number of different renditions of the Pelican in her Piety if you would like to see them.
This is a very nice piece of art. The mosaic was created with small tiles individually placed into this headstone to form the picture. This was a real treat for me I have never seen this on a stone before.