ET- That's Doctor E.T. to You

  The glow of Lucidulum faded, and the ship circled in over vast agricultural ranges, where the planet’s food was grown. Here E.T. had worked the soil for hundreds of years, learning its secrets as a simple farmer. He began to recognize the terrain, from which he’d graduated long ago, after enormous struggle and very hard exams, following which he’d earned rank and joined a flight crew, and become a full-fledged intergalactical Doctor of Botany.
...

  “The charm of the Fluteroots is good,” said E.T., addressing them respectfully in the language of plants, which he, as a master botanist, knew in all its varying shades. He closed his eyes and swayed with the plants, as their pure flowing sound moved all through him.

- E.T. The Book of the Green Planet, chapter 2