I was watching the travel channel “Andrew Zimmerman Bizarre Foods” episode the other day with some friends. There was a section on eating the chicken version of Rocky Mountain Oysters. I couldn’t believe the size of the organ compared to the size of the animal ( I forgot I was applying mammalian standards ). I went on a quest to find an anatomical diagram of a rooster somewhere on the web. I searched all over and finally found something. Sharing it here with everyone not that anyone else will every wonder about the same thing. Crazy that in our digital Google age finding something like this can be so hard.
http://animalsciences.missouri.edu/reprod/AnatomyMale/poultry/index.htm