He behaved like an ostrich and put his head in the sand, thereby exposing his thinking parts.
When your head is firmly in the sand, another part of your anatomy is fully exposed.
I will endanger your species like an ostrich, Hold you hostage, and crazy feed you swine sausage!
America cannot be an ostrich with its head in the sand.
Any fool can turn a blind eye but who knows what the ostrich sees in the sand.
The ostrich burying its head in the sand does at any rate wish to convey the impression that its head is the most important part of it.
