Some of them rely on odd-looking sperm instead to boost their chances of maning offspring. Coloured scanning electron micrograph (SEM) of a male bean weevil’s (Callosobruchus maculatus) penis.
“Flipping the Bird”, or “the Finger” as it is also known (among other names), is the act of raising one’s middle finger upwards while keeping the rest of …
The Question: Why would five mallard drakes gang up on a female mallard with chicks trying to drown her? Submitted by: S., British Columbia, Canada
It’s been many years now since I first put on my 2 1/8 X 1 7/8 X 3 3/4 Jail Bird. The only problem I’ve had is winter shrinkage. I’ll soon be ordering a 2 X 1 5/8 X 3 for those cold winter months when my first one is just a bit too loose.Other than My shrinkage, the Jail Bird has fit perfectly and comfortably for longer than I can remember.
Most male birds (e.g., roosters and turkeys) have a cloaca (also present on the female), but not a penis. Among bird species with a penis are paleognathes (tinamous and ratites) and Anatidae (ducks, geese and swans).
Birds, also known as Aves, are a group of endothermic vertebrates, characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.
A complete veterinary guide to bird sexing. Includes information on handling birds, sexing birds by external appearance and behaviour, DNA bird sexing and endoscopic avian sexing.
Finally! All your favorite songs from the Dukes Of Disgusting have been compiled and released on the Best Of Bird And Macdonald Volume 1 CD!
Avian Anatomy. As an avian veterinarian, I often use words like choana and cloaca, and when I do, I can easily visualize in my mind exactly what these body parts look like, and it’s hard for me to realize that often, the owner doesn’t understand what I’m saying.
Giving someone “the finger” is one of the basest violations in modern culture, but its origins date back over 2500 years. The first written record of the insult occurred in ancient Greece, where the playwright Aristophanes (the Adam Sandler of his day) made a crude joke mixing up the middle finger and the penis.