Captive cheetahs, 1957
Colour plate from Ernst Haeckel's 1904 Kunstformen der Natur, depicting frog species that include two examples of parental care.
Found it on Wikipedia while looking for pictures of frogs and thought it looked cool.
Western Australia, May 1978
I just LOVE Ernst Haeckel
“‘Up wi’ the chanter, lad, an’ gie’s a blaw!’ Mrs. Jacob’s words suit the action as Mr. Hamilton plays the bagpipes for Eloise Rae’s Highland fling. He wears dress Hamilton tartan; she hunting Macrae.”