Questions tagged [ornithology]

Questions relating to the study of birds.

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1answer
44 views

Do puffin beaks have vertical slits or cracks?

I have seen a photo where puffins seem to have vertical lines on their beaks. It is uncertain if those are just line or actual slits or cracks in the beaks. Do puffin beaks have slits or cracks?
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Vultures in Germany in the past

I noticed that since the 1970s the bearded vulture , which had disappeared from the Alps due to hunting, has been successfully reintroduced. I have searched for the modern habitats of vultures, but it ...
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1answer
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Identification of a probable sylviidae

One summer (August) I was in Bulgaria (Dobrich province) and in the middle of the city I take picture of this bird: He was making a sound like "Tchek-tchek" like the sound of a ...
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1answer
114 views

Urgent: Bird hatchling identification

Yesterday evening I found this baby bird in one corner of my house's verandah on the floor. I picked it up and placed it safely in a tray hoping that tomorrow morning its parents will find it (...
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1answer
73 views

Identification for a bird in the middle of the tree

In the central city of Dobrich Bulgaria, I was following a Great spotted woodpecker in a tree and suddenly I found this other bird on the same tree. The context of the picture is: Country: Bulgaria ...
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2answers
100 views

Reporting observation of a bird outside its seasonal presence

Last summer I saw this bird in the countryside of Bulgaria (Dobrich area) and I think this is a specimen of Great Grey Shrike (Lanius excubitor). By looking more ...
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1answer
70 views

Bird identification from Nepal

I just stumbeld across a picture and wonder which species it is? I took the below picture of a bird, probably a raptor, in mid-January 2011, 7 pm, on the Annapurna Trek in Nepal. My altitude was ...
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1answer
112 views

Does anyone know what are these birds?

Never saw them before, they appeared suddenly , the day my father died. Place is Serbia in Europe. Does anyone know what are these birds?
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1answer
125 views

What species is this “talking” bird?

This YouTube video shows a bird which appears to repeat some sounds (not speech though) after a human. Here're some cropped screenshots from the video: What species is this bird? Can it actually ...
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1answer
58 views

Identify the bird

Please identify the birds and tell about its details
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1answer
160 views

Can someone identify this Brazilian bird?

Photographing and documenting the local fauna (Brasília, DF, Brazil - Near Coordinates [-15.696506 -47.860013]), I found this rather unusual-looking bird whose name I couldn't find: (Image was now ...
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2answers
169 views

Do birds change their diet before migration?

Migration takes up a lot of energy, so I am wondering if birds (in my case mallards) change their diet / food preferences in the weeks before migrating. Do they select for more energetic foods to fuel ...
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1answer
424 views

Why won't birds move an inch in total darkness?

One day, a bird flew inside my house. I locked the door. It landed on my TV and then I turned off the light. Then I touched the bird and it didn't even to try to fly or move. Then I went to the ...
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2answers
950 views

Water-bird that can take off vertically from the water?

If you look at ducks taking off, they take off at a pretty flat angle, building up speed before they finally get some altitude. This takes a lot of distance, it seems, for them to get high in the air. ...
6
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1answer
415 views

Which bird species/families worm-dance and is this learned behaviour?

Today I saw a Herring Gull and a Common Gull (UK common names) "worm-dancing" on an area of wet grass. Worm-dancing is when the bird taps its feet on the ground rapidly in order to drum worms to the ...
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14 views

What is the replacement period of gastrolithes in doves?

Gastrolithes are common in doves and pigeons. Do they keep ingested stones for ever? If not, how often are they to be replaced?
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2answers
88 views

What is the nesting period of the European Turtle Dove in middle to southern Italy?

While the breeding period to the north, in Switzerland, seems to be early May until early July, and I have not found any information for the Naples area. Also, are they likely to nest a second time?
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1answer
169 views

Do squirrels and blue jays play a role in oak tree distribution?

White oak (Quercas alba) acorns have lower tannin levels than red oak (Quercas rubra) acorns, therefore animals tend to eat the white oak acorns before red oak acorns. Animals such as squirrels and ...
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1answer
799 views

Identify a bird by its feather

Gray feather with red tip, about 5 cm (2 in) total length. It was found in Lexington, Kentucky (central western USA).
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1answer
113 views

What determines sex in birds?

Is there production of TDF in birds? If so which gene produces it?
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1answer
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Help identifying this bird from Southern Brazil

I've seen a few of these birds at my university located in the extreme south of Brazil. I noticed they usually stay on wet areas and like to eat small critters, such as worms and young tadpoles (I'm ...
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1answer
199 views

ID Sunbird in Oman - White, Dark Grey, Yellow

Some extensive web searching has not helped me find this bird I discovered in my travels. They were flitting too fast to get a decent picture, but here is the best description I can obtain from memory:...
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1answer
169 views

Has the most recent common ancestor of all living birds lived after dinosaur mass extinction?

I wonder if one or more phylogenetic threads of dinosaurs survived the mass extinction. In other words, are all living birds equally related to any given ancient dinosaur, or do some birds relate ...
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1answer
65 views

bird identification by its singing

What bird is singing on background in this video? https://www.youtube.com/watch?v=ckFIDeanJgg
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1answer
165 views

Is there any evidence of blue jays preying on other birds?

Are blue jays known to prey on other birds? I've found that they are known to raid nests of eggs and young, but have not found any evidence of them actually preying on other birds. Background: A ...
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1answer
4k views

Are the asymmetrical positions of owl ears consistent across species with this trait?

While at a raptor speech a while back ago the naturalist mentioned that owls have offset ears. One ear is located higher in the skull than the other. This is supposed to help the owl detect the ...
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1answer
88 views

What species are these juvenile birds?

What species are these juvenile birds found at São José dos Campos, Brazil?
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1answer
1k views

A grey water bird with brown head

A greyish bird, with brown head and relatively long, pointy beak. Size comparable to mallard. Spotted in central Poland, on small, artificial pond, populated by mallards and Eurasian coots. Photo has ...
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2answers
916 views

Could a horse-sized duck fly?

The more general question would be whether or not one can scale an animal to some other size and preserve its properties. The method of scaling is by volume, scaling all dimensions by the same factor. ...
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4answers
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Why don't Australian magpies in Tasmania swoop at people?

I'm currently living in Tasmania (Australia) and I have noticed that Magpies don't swoop at you here, yet they do in other parts of the country. Just wondering: does anyone know why?
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467 views

How do migrating geese handle hurricanes?

I live on the East coast of the United States, where we are in hurricane season. This week during my morning bike rides in Charlotte, North Carolina, I have seen migrating Canadian geese. I'm curious ...
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1answer
224 views

Why there is no blood in a bird's egg? [closed]

Egg consists of some albumin and yellow colored yolk. But it is a living organism with red colored blood, it should contain red blood. so why can't we find the blood in the egg (specifically bird's ...
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1answer
183 views

Please identify this bird

Please identify this bird? There are bright red feathers at the bottom of its tail. What do we call these feathers? update: Location is North India. Temperature is around 35° C.
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1answer
193 views

Identify this bird

I have attached below the image of a bird that I see everyday from my balcony. Since I do not have a good camera, I searched the image of the bird on Google. It feeds on insects. I live in Satna (...
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2answers
105 views

What is this bird?

I have found this bird in my house, I live in Haedo, Buenos Aires, Argentina. I tried to take a closer photo but it escaped flying. I am not sure how to describe it, but it's very big compared to ...
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0answers
114 views

Identifying the Pheasants

I took a few photos at the Aviary of Hong Kong Park. The photos included some pheasants, and the below shows 4 of them. What species are they? I am not sure if 1, 2, 4 are actually the same species or ...
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2answers
17k views

Where do birds and squirrels go to die?

This may sound like a silly question, but I have been wondering about this for a while. I live in a suburban neighborhood with a lot of trees. A lot of trees means birds and squirrels. You can hear ...
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2answers
140 views

Bird Identification

I found this bird when I came back home. I have never seen a bird like this. Also, she is not moving even if I touch her slightly.
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2k views

Does Rüppell's Griffon Vulture Have Greatest Vision Acuity? (Small Carrion Spotted at 10 km+?)

Synopsis: Some sources seem to imply the Rüppell's (griffon) vulture (Gyps rueppelli) can see objects at a distance in excess of 10 km -- roughly three times the ...
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2answers
48 views

Ornithology related areas in Biology

In relation to my work, I'm looking at ornithology as a field, and it would be interesting for me to know which areas in biology relate to ornithology. Any help is much appreciated!
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What kind of bird did I hear at three AM in Germany

I woke up at three AM from some sort of industrial noise outside. In addition to the noise I heard some creaking like from a stuck door. After the initial noise had ended, something that sounded like ...
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1answer
176 views

Do Cooper Hawks eat fish?

I have seen a Cooper hawk sitting on a low branch above my small Koi pond 3 times in 4 months. The books and net say they eat birds and some mammals but I wonder if he is looking at my fish ? Or ...
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1answer
85 views

What is this bird species in India?

I spotted this bird in India a day ago in a park located inside a city. There are no nearby water bodies around the park. The bird is slightly larger than the average person's fist. Does anyone know ...
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0answers
1k views

Why do birds flap/shake their wings?

Here is a video that will show the behaviour I'm interested (see between 12:30 and 12:32). I want to know if this behaviour has a name and why birds are doing this. I observed this many times, with ...
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1answer
215 views

What species are these baby birds?

I'm trying to save these baby birds' lives, and I need to know their species so that I can know how/what to feed them. Please help me ASAP .
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1answer
2k views

What kind of crow is this? [duplicate]

Years ago, when I lived in Greece, I saw crows from a close distance, but never with this peculiar colouration. Today I saw two individuals, both with these gray parts. Location: Austria, Vienna. ...
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1answer
172 views

Can birds raise younglings that are not their own?

For example, if a scientist were to move a chickadee or pigeon egg from one nest to another, would the new bird (second mother) in the new nest incubate or raise the youngling? Or would the new mother ...
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1answer
108 views

Which kind of bird is in the picture?

I am wondering what kind of bird this is. Can you help me?
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101 views

Why did black swans to evolve black colouring?

What environmental factor caused black swans, which are native in Western Australia, to evolve black feathers ? Note swans are either black or white, there are no brown or grey colurings, which can be ...
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4k views

Do birds ever fly in clouds?

Do (some) birds ever fly in fog or clouds so that they would not be able to see either the ground or the sun? Assuming the visibility is good enough so they can see obstacles in time to avoid them. ...

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