Duck Anatomy - Under Construction - Updated 3-24-2019 (warning, contains reproductive pictures)

[casportpony]

Skeletal

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The Avian Air-Sac System in a Duck
(i) nasal passages; (ii) infra-orbital sinus; (iii) cervicocephalic air sac (single); (iv) clavicular air sacs; (v) cranial thoracic air sacs; (vi) caudal thoracic air sacs; and (vii) abdominal air sacs. (H) heart; (L) liver; (LU) lungs; (B) syringeal bulla (male ducks).

Source:
https://veteriankey.com/basic-avian-anatomy-and-physiology/

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Syringeal Bulla of the Male Duck

Source:
https://commons.wikimedia.org/wiki/File:SyringealBullaInDucks.png

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Mouth

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Digestive


1. Oesophagus
2. Crop
3. Proventriculus
4. Gizzard
5. Pancreas
6. Duodenum
7. Liver
8. Gallbladder
9. Ileum
10. Caecum
11. Cloaca

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Reproductive

A healthy duck penis looks like this:

Source:
https://www.the-scientist.com/features/the-hidden-side-of-sex-37260

Avian Ovary Asymmetry
During embryonic development, the left and right ovaries are presumably present in all birds, but in many species only a functional left ovary is maintained post-hatch.
Source: https://animalscience.psu.edu/research/labs/johnson/follicle-development

Reproductive Anatomy:

• Gonads - paired testes in males & usually a single ovary in females
• Ovary
  • most birds have only left ovary but 2 ovaries are typical of many raptors
  • contains from 500 to several thousand primary oocytes

Source: http://people.eku.edu/ritchisong/avianreproduction.html




http://campus.murraystate.edu/academic/faculty/tderting/cva_atlases/canduck/reproduck.htm

 

[CayugaJana]

 

[casportpony]

Updated - more to come

 

[Fields Mountain Farm]

 

[kjackson1992]

 

[casportpony]

Updated!

 

[Kiki]

 

[Miss Lydia]

 

[Fishkeeper]

Ducks have kind of a reproductive arms race going on, don't they? In some species, the male's, ah, anatomy, can be nearly as long as the rest of him.

This is potentially a dumb question, but how does a duck egg get out without getting snagged in the spirals or trying to go down one of the blind ways?

 

[Loopeend]

Ducks have kind of a reproductive arms race going on, don't they? In some species, the male's, ah, anatomy, can be nearly as long as the rest of him.

This is potentially a dumb question, but how does a duck egg get out without getting snagged in the spirals or trying to go down one of the blind ways?

I'm not an expert. But I guess by the force of the big object? Grab a, open foot panty hose. Tangle it. Try to from the feet get a banana through to untangle it. Or. Try to untangle it by throwing a metal basebal in it from the top.

The metal baseball will untangle it faster because of gravity you might say. That's true. But the eggs has the force with it; the male duck's thingy not.

Like your tangled intestines. It's often easier to get something out..on daily basis..then uh, the other way around like in a situation that they have to get a camera in there or something.