Preface: I prommised I'd write this up for south a long time ago but much has happend to prevent me from doing so (I ended up living a month in the bush! for starters) Well, thank fully things have stabilised and I'm at a point where I can toss some time into an Informitive Post.
I'll start off with birds as I have most info on hand for this.
Birds aka Fowls*:
Bird for the most part are radicly diferant then most mamales, they share one thing in commen with a fiew marsupial and that is the Coclea** and are very delicate far as bone structer goes. Durring two birds mating he pushes his coalca against hers and squeezes in his seamen, the tubes leading to where they need be are very small (Ever hear the pain a hen goes through laying?) and are very delicate. The rotation per egg layd is 2 or more houres, usualy three to four eggs a day at best. Now take the average length and girth of a human penise, you will see its girth is on par with the eggs diamiter and think "Hey this will work!" WRONG take another look, notice some thing about the length?
A mamalse Vagina (Albeit very sensitive) has very strong skin on the inside (Well more like very strong skin like mucuse membrains) where as a chickens egg tube is very delicat and thin mucuse membrain, so providing you even go up the right tube, the damage is equal, and will cuase insurmountable damage to either organ, and sine the length will crush other organs. By now any one with any concionse or empathy will be clinching their ass imaginning the pain that they would feel to having there internal orifices torn apart and organs crushed!, and after ward the bird would die a very slow and extreamly painfull death!
If you tuely love a bird, then you'll obviously do nothing to hurt it, and you must accept the fact with small fowls, like ducks, gees, chickens, ectra it will all ways result in sever internal injury.
*
http://en.wikipedia.org/wiki/Bird
** cloaca Related: Zoology,
(klōā´ke) , in biology, enlarged posterior end of the digestive tract of some animals. The cloaca, from the Latin word for sewer, is a single chamber into which pass solid and liquid waste materials as well as the products of the reproductive organs, the gametes. Cloacas are found in amphibians, reptiles, birds, and lower mammals; higher mammals have a separate rectal outlet, the anus. The term cloaca is also used for analogous chambers in many invertebrates, such as worms of the phylum Nematoda .
Snakes and reptiles:
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