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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.

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,  ...

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.

Do dogs have tear ducts? | Reference.com


Dogs have tear ducts and produce tears to keep their eyes lubricated, according to PetMD. Because they have tear ducts, dogs are prone to experience watery ...

Collisions, Vision Problems And Eyeworms In Birds - 2ndChance.info


People occasionally bring me thin wild birds with vision problems that have lead to ... (ref) The male worms do not reach as large a size as the female worms do. ... that pass through the bird's nasolacrimal ducts (tear ducts) with the birds tears, ...

Avian ophthalmology - 2ndChance.info


Ophthalmology of birds has become an important part of avian medicine. .... edging that facilitates the distribution of tears over the ocular ... The duct of this gland penetrates .... however, the eyeball does not retract due to the absence of the.

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 ...

Common Eye Disorders in Birds | petMD


How do you like to be called?: 3. .... Therefore, if your bird has an eye problem, it should be considered serious and you should consult a veterinarian to rule out any ... And vitamin A is required for proper pigmentation and tearing of the eyes.

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zoology - How do birds deal with their eyes drying out at high ...


Mar 19, 2015 ... Do birds continuously produce lots of tears and blink a lot, or do the eyes ... Birds have a body part known as the nicitating membrane otherwise known as ... The glands in birds' eyes allow them to secrete a fluid that is more ...

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.

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.