Dino 1: Hey this page is not here.
Dino 2: Don't worry. We're redirecting.
Dino 3: Cool.
OK here's the legal stuff...
Dino 1
https://www.publicdomainpictures.net/en/view-image.php?image=367844&picture=tyrannosaurus-rex
Vera Kratochvil has released this “Tyrannosaurus Rex” image under Public Domain license.
License: CC0 Public Domain
Dino 2
https://www.publicdomainpictures.net/en/view-image.php?image=255906&picture=tyrannosaurus-rex
Petr Kratochvil has released this “Tyrannosaurus Rex” image under Public Domain license.
License: CC0 Public Domain
Dino 3
https://www.publicdomainpictures.net/en/view-image.php?image=227464&picture=dinosaur
Linnaea Mallette has released this “Dinosaur” image under Public Domain license.
License: CC0 Public Domain