/usr/share/cowsay/cows/cock.cow is in cowsay 3.03+dfsg2-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 | $the_cow = <<"EOC";
$thoughts
$thoughts /\\/\\
\\ /
| 0 >>
|___|
__((_<| |
( |
(__________)
| |
| |
/\\ /\\
EOC
|