The Welsh catalogue gives this degree a single animal: an ostrich. Charubel, the pen name of John Thomas, published an image for every degree of the zodiac in 1898, offering many of them, like this one, without a word of gloss. The ostrich is a bundle of contradictions that reward unpacking: the largest of birds and the one that cannot fly, compensated with the fastest legs on two feet; a layer of the biggest egg; proverbially, and unfairly, the bird that buries its head in the sand, folklore that has attached the animal to wilful blindness since antiquity.
Read against the twenty first degree of Virgo the creature suggests adaptation over ideal, capability rearranged when the standard equipment fails, flight given up for speed that actually serves. The proverb supplies the shadow reading, diligence that will not look at what alarms it. Set beside the team discipline of the 1925 image at this degree, the solitary flightless runner makes a pointed contrast.
Degree symbolism is an old craft: Vettius Valens gave each sign three ten degree faces under planetary rulers in the second century, Ptolemy's Tetrabiblos preserved the unequal Egyptian bounds, and the first complete surviving picture set is Johannes Angelus's Astrolabium Planum of 1494, with the 1898 catalogue and its companion La Volasfera translation renewing the form. This degree opens Mercury's own face of Virgo inside Jupiter's term, wit given size. Where natal or progressed points fall here, the tone is practical adaptation, and the caution is the buried head.