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Salt gland


Sea turtles excrete salts through tear ducts. "Crying" is visible when out of water. The salt gland is an organ for excreting excess salts. It is found in elasmobranchs (sharks, rays, and ...

Ask a scientist | The Manitoban


Oct 19, 2009 ... What does it sound like when doves cry? ... This is partially due to the fact that birds have larger eyes for a given size of head than humans, ... like humans, birds have tear ducts which secrete watery tears that protect the eye.

The Earthlife Web - The Bird Eye and Bird Vision


An introduction to the bird's eye and vision in birds. ... between the other two eyelids and the cornea and has its own lubricating duct equivalent to our tear duct.

Bird Brain II - People Search


Ocular surface lubrication originates from two secretory glands. ... With each blink this flange-like flap collects the tear film and any associated debris to drain .... Of course, these birds do have a limited field of binocular vision directly in front of ...



From Frey's Chapter 14: Do Animals Shed Emotional Tears? ... lab rats (red tears from Harderian glands [the same types of glands that elephants have]) .... The " salt" glands of these terrestrial birds and reptiles, unlike those found in marine ...

Common Eye Disorders in Birds | petMD


Birds can suffer from many different eye disorders. ... Therefore, if your bird has an eye problem, it should be considered serious and you should consult a ...

Moths drink the tears of sleeping birds | New Scientist


Dec 20, 2006 ... But it being Madagascar, they do it differently from anywhere else, using their ... A species of moth drinks tears from the eyes of sleeping birds using a ... is the first time moths have been seen feeding on the tears of birds.

Avian Medicine: Princilpes and Application


birds. To date, Schirmer tear test readings have been found to be 8 ± 1.5 mm in the larger ..... tors.10 The lacrimal ducts did not drain properly in an. Umbrella ...

PS37/PS031: Eye Disorders of Poultry - University of Florida


Affected birds have reddened, swollen eyelids, and are sensitive to and avoid light. ... These infections do not damage the eye itself, but cause the bird discomfort, ... visual pigment of the retina and for maintenance of the lining of the tear ducts.

Bird's Swollen Eye Could Mean Sinus Infection - latimes


Apr 12, 1990 ... Q: For the last two weeks, my female cockatiel has been keeping ... I did start her on some antibiotics from the pet store, but she doesn't like that at all. ... You should have your bird seen by a veterinarian who is familiar with treating birds. ... ducts in each eye to make sure they are clear and allow the tears...

More Info

Vision: An In-Depth Look at Eagle Eyes - Annenberg Learner


Why do you think people have a bony ridge above their eyes? ... Birds have tear glands that secrete watery tears like ours, and birds that spend a lot of time in ...

Animals With No Tear Ducts | Animals - mom.me


Goats have especially unique eyes. Not only do they lack tear ducts, they also have horizontal rectangular pupils. Some people may find a goat's eyes startling,  ...

Tear Duct Blocked - Backyard Chickens


I have a 2 year old hen with a tear duct that seems to be blocked. When I ... We did the warm compress thing.... Has ... I have a Sebastopol goose that my eye doctor, who has treated birds, thinks may have a clogged tear duct.