Onions contain a compound which is toxic to the red blood cells of cats. The red blood cells are destroyed and this results in anemia. The specific type of anemia is called 'Heinz body anemia' because the red cells develop an abnormality called a 'Heinz body' which can be seen under the microscope.
Dug, the dog, is easily distracted by ... squirrels (well, he's easily distracted by everything, but especially squirrels). He can be talking (yeah, it's Pixar/Disney so the dog talks) & right in the middle of the sentence, he shouts, Squirrel!. Then he carries on with whatever he's talking about.
An example of how delightful Peter Rabbit is, is a running gag with a rooster that hits the same notes in slightly different ways, making each time feel fresh. Peter Rabbit â Mrs. Tiggy-Winkle (Sia) â Photo courtesy of Columbia Pictures/Sony Animation. Another is a small flock of birds whose efforts (except for a hysterical hip-hop piece) keep getting interrupted by Peter.