Question 1

Is “Empidonax difficilis” in the public domain?

Accepted Answer

Yes. “Empidonax difficilis” is public domain and released under CC0, so it is free to download and reuse for any purpose, including commercially, with no permission needed.

Question 2

Who created “Empidonax difficilis”?

Accepted Answer

K. W. Kenyon (4 Jul 1933).

Question 3

Where is “Empidonax difficilis” from?

Accepted Answer

It is catalogued from the open collection of Smithsonian Open Access and is free to reuse under CC0.

Question 4

Can I use “Empidonax difficilis” commercially for free?

Accepted Answer

Yes. As a CC0 public-domain work it can be used commercially, modified and redistributed with no fee and no attribution required.

Title	Empidonax difficilis
Artist	K. W. Kenyon
Date	4 Jul 1933 20th century
Medium	Egg(s)
Origin	White Mountains, North Fork of White River, Navajo, Arizona, United States, North America White Mountains
Holding institution	Smithsonian Open Access
Rights	Public domain (CC0)

Empidonax difficilis

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