Continuity mistake: When the baby bird is holding onto Pluto's nose, you can see that there are whiskers around it, but when we see the bird standing on Pluto's nose, the whiskers have disappeared.
Continuity mistake: When the baby bird kicks the straw off when he is lying down, you can see that there is some straw on the nest, but when we see the bird in the next shot, the straw has disappeared.
Continuity mistake: When Pluto is dazed after crashing into his kennel after falling from the tree, the position of Pluto's right paw on the grass changes between shots.
Continuity mistake: When Pluto discovers the baby bird lives in a nest in a tree, the amount of water around the bird changes between shots.
Continuity mistake: When the baby bird lands into Pluto's water bowl, the bowl is initially positioned by Pluto's kennel, but after Pluto has saved the bird, the bowl is now near the bird.
Continuity mistake: When Pluto pulls up the baby bird after resuscitating him, you can see there is nothing under the bird's legs but in the next shot water has suddenly appeared.
Continuity mistake: When Pluto snarls at the baby bird for landing in his water bowl, the wording of "Pluto" on the bowl changes between shots.
Continuity mistake: When we first see the baby bird in its nest at the beginning of the cartoon, you can see that the nest is positioned on a branch, but when we see the bird attempting to fly later on, the nest is now in the crook of two branches.