If your grasp of mythology is sub-par like mine, you might sometimes wonder “What is it with all these images of naked women and swans?”

For all the answers you might want, there’s an extended discussion (with many many images) at Silent Porn Star.

All you’re going to get for an answer here is a Yeats poem and a strangely menacing rear-entry swan:

Leda menaced from behind by swan

Leda And The Swan, by William Butler Yeats, 1928

A sudden blow: the great wings beating still
Above the staggering girl, her thighs caressed
By the dark webs, her nape caught in his bill,
He holds her helpless breast upon his breast.

How can those terrified vague fingers push
The feathered glory from her loosening thighs?
And how can body, laid in that white rush,
But feel the strange heart beating where it lies?

A shudder in the loins engenders there
The broken wall, the burning roof and tower
And Agamemnon dead.

Being so caught up,
So mastered by the brute blood of the air
Did she put on his knowledge with his power
Before the indifferent beak could let her drop?