Henry David Thoreau quote on birds.

I once had a sparrow alight upon my shoulder for a moment, while I was hoeing in a village garden, and I felt that I was more distinguished by that circumstance that I should have been by any epaulet I could have worn.
    Henry David Thoreau
    US Transcendentalist author (1817 - 1862)

Alfred North Whitehead quote on cats.

If a dog jumps in your lap, it is because he is fond of you; but if a cat does the same thing, it is because your lap is warmer.
    Alfred North Whitehead
    English mathematician & philosopher (1861 - 1947)

Mark Twain quote on animals.

“If you pick up a starving dog and make him prosperous, he will not bite you. This is the principal difference between a dog and a man.”

Mark Twain US Short Story Writer, Novelist and Wit.