Adaptation Quote by Alfred Russel Wallace

It has been generally the custom of writers on natural history to take the habits and instincts of animals as the fixed point, and…

— Alfred Russel Wallace

“We do not steadily bear in mind how profoundly ignorant we are of the conditions of existence of every animal; nor do we always…

— Charles Darwin

Animals arrived, liked the look of the place, took up their quarters, settled down, spread, and flourished. They didn't bother themselves about the past…

— Kenneth Grahame

“wild animals in captivity and humans in civilization share an important quality: we are both examples of species living outside their natural habitats.”

— John Durant

After having produced aquatic animals of all ranks and having caused extensive variations in them by the different environments provided by the waters, nature…

— Jean-Baptiste Lamarck

Any glimpse into the life of an animal quickens our own and makes it so much the larger and better in every way.

— John Muir

Life histories tell you just about everything you need to know about an animal.

— Jack Horner

“No other animal had ever moved into such a huge variety of radically different habitats so quickly, everywhere using virtually the same genes.”

— Yuval Noah Harari

“The standard nature film had been a staid biography of an animal, or the story of a habitat told throughout a year.”

— Gareth Huw Davies

On the intimate level, anyone who has loved a companion animal knows the uniquely wonderful experience these 'other nations' provide, and their important presence…

— April Gornik

“On an animal level, it was where they got food. Sustenance. Like a watering hole on the African plains”

— L.T. Vargus

For Nature is accustomed to rehearse with certain large, perhaps baser, and all classes of wild (animals), and to place in the imperfect the…

— Marcello Malpighi