Humans have judged value of life by size since beginning of the universe. When something sweet is leaved in my kitchen, thousands of ants come and then they are killed by my mother. How do I tell people that it is wrong? What else can we do to prevent insects dieing?

Small parrots poop much more frequently than large parrots. I have never had (or lived with) a dog. I would like to know how often dogs need to poop and especially whether pooping frequency is related to breed size. (No, this is not a joke question.)

My cat generally doesn't drink any milk. But she loves to drink ice cold cow milk. So my question is why is it so? And is it safe to offer so? Note that there is very little chance of food infection for milk not being boiled as it is treated pasteurized packet milk from reputable company.