Grade A â Eggs appear to be the same as Grade AA, but the difference is a slightly lower interior quality. These type of eggs are commonly sold in local supermarkets. Grade B â Eggs are noticeably different.
Rodenticides, colloquially rat poison, are typically non-specific pest control chemicals made and sold for the purpose of killing rodents. Some rodenticides are lethal after one exposure while others require more than one.
To get a better idea of how toxic rat poisons are for different birds of prey, a team of scientists led by Philippe Thomas from Environment Canada decided to analyze published data on rat poisoning in birds.