Does anyone know artists that used to draw living things from nature?

Please help I need to know a few artists that used to draw animate drawings from nature.Does anyone know artists that used to draw living things from nature?
Leonardo Davinci, Salvador Dali had a few work, Georgia O'Keefe loved flowers and insects. To know more seach for artists paitings on nature and living objects.Does anyone know artists that used to draw living things from nature?
Have you ever looked up Robert Bateman? he was a fantastic nature artist. He drew and painted all sorts of living creatures to try and save them from extinction. If your an artist and get anywhere close to him then your good. I love to draw animals and old barns.
Leonardo da Vinci used to draw animals when he was a little boy.





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