Father of the Bird

Father of the Bird is a 1997 Looney Tunes cartoon directed and co-produced by Stephen A. Fossati and produced by Chuck Jones and Linda Jones Clough starring Sylvester. This short only had a limited theatrical release and was the only Sylvester short produced by Jones, and also the final Sylvester cartoon he was involved with.
Plot.
Sylvester finds a sparrow egg in a nest. Before he can eat it for breakfast however, a little bird hatches out and calls him "Mama." He warms to the idea of being a father and instead of eating it, he protects the bird throughout a series of near-disasters.