Questions tagged [ornithology]

Questions relating to the study of birds.

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0answers
27 views

What factors have led to selection for intelligence in crows and rooks?

The Corvidae family could include some of the smartest species after primates. What could be the factors that differentiate them from other species of birds that have determined their potential for ...
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Do humming birds eat fruit juice?

I have a fig tree with ripe fruit. There are many birds in it including woodpeckers ( red-bellied ), don't know if he is eating fruit or bugs. The birds have eaten holes many fruits and some juice ...
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2answers
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Can I relocate bird's nest?

Doing a deck project and found a bird's nest. Can I safely move it in order to continue working? Think they'll fledge soon? This is in New Jersey.
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23 views

Why is it (allegedly) dangerous to feed ducks with breadcrumbs and pieces of bread?

I used to go down to the local lake all the time with leftover bread and throw little pieces of it to the hungry duckies, who very eagerly fetched it and ate it while happily quacking away. I thought ...
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2answers
44 views

Do fledglings die if they are not fed constantly?

There is a bird's nest on my balcony in the wall above the door with birds who breed. They have fledglings who already hatched. (I assume this because I sometimes hear quiet sweet chirping.) I sit on ...
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1answer
81 views

Identity of strange bird with fish net tangled around one foot

This bird was photographed at a small beach in Rio de Janeiro, Brazil. What kind of (ocean?) bird is this??
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1answer
34 views

In what “space” does egg mature in Kiwi?

This huge egg here, is it sort of tethered to the ovary, filling up the coelomic cavity, and then exiting out of the infundibulum, or, where is it in the bird exactly? What "space" does it occupy?
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1answer
109 views

Why do birds legs' not get frostbite?

In a nature documentary I watched a while ago, there was a scene where a flock of flamingos slept in a lake that froze overnight. Each morning they just had to wait until the lake defrosted ...
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15 views

Do some birds really clean themselves using wet leaves?

While researching native shrubs to put in my garden for bird habitat, I read that some birds will take advantage of bushes to clean themselves by rubbing themselves against a wet leaf after rainfall (...
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1answer
37 views

How are Moluccan cockatoos so loud?

They say a Moluccan cockatoo's screech has a decibel level of around 129 or even more (e.g., 135). That is almost as loud as a jet engine (140 dB at 100 feet). How are they able to emit a screech ...
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51 views

Help identifying this bird skull

The skull is 4 to 6 inches long and still has tendons attached. I found this on a beach in central California, which leads me to think it's probably from a seabird. I believe this is from a smaller ...
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1answer
37 views

Why are these nesting magpies building another nest

Pair if eurasian magpies occupy a nest visible from my balcony. It's the nesting season for them here, and I assumed they have laid eggs. I can't see the eggs directly, but one of the magpies has been ...
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31 views

Why such diversity in sexual dimorphism in passerines?

In searching for info to answer my question, I’ve found a fascinating 1998 article by Owens and Hartley from Proc. R. Soc. Lond. B. It reports such cool findings as that When we break up plumage-...
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41 views

Analysing bird diversity data across 2 sites and 2 time periods - Ordinal data. Shannon's and Jaccard?

I am looking for the best way to analyse the data below to measure and compare the bird diversity between 3 sites and across 2 time periods - basically are they different from each other and have they ...
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1answer
56 views

Can you help identify this bird in Louisville Kentucky?

This bird shows up in my back yard every night. It is calling and sometimes I hear a bird in the distance calling back. I think its an owl but I haven't seen it yet. Any ideas what it is?
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65 views

Could some identify this bird call? (from the hu - wolf totem)

What species is making this sound? You can hear the sound it makes at the end of the music video: The HU - Wolf Totem
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2answers
80 views

Why are two-winged animals much more common than four-winged?

In flying vertebrates, almost all have only two wings (with the exception of Microraptor and its close relatives). This makes some sense because you need some way to walk also, and a wing isn't very ...
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1answer
111 views

What causes the localization of myoglobin in turkey to regions of muscle tissue?

I've read that myoglobin localization is responsible for the darker colour of leg muscles in turkeys. Why does this localization occur in terms of any of cell biology, molecular biology, or ...
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47 views

Is it impossible for some female songbirds to sing?

I have read that in northern hemispheres, most female songbirds can't sing (for example, the Blackbird). Things are different in tropical regions. Birdsong is for males in some species; it is utilized ...
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55 views

What happens to male turkeys?

My family and I have almost never seen a wild male turkey though we have seen countless female turkeys. Is the male to female sex ratio of turkeys at birth extremely low? If not, what happens to the ...
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1answer
48 views

How difficult is it for wild birds to find food?

This question came to my mind when I was wondering if my parrots would have it better on the outside than with me. Also, is starvation a significant cause of death at different stages in a bird's life ...
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52 views

Are blue feathers better insulators?

I recently found an article talking about the colors of bird feathers. https://www.smithsonianmag.com/science-nature/why-are-some-feathers-blue-100492890/ Apparently, unlike other colors, where ...
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2answers
104 views

What's the name of this bird species?

What's the name of this bird's species, please?
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1answer
108 views

Where are all the seagull nests?

Seagulls are common. I live on the shore of New Jersey (U.S.), but I have never seen a seagull nest. Where are they?
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Eagles carrying off a goat to its nest: How heavy is the young goat? How strong is the eagle? Here is my guess:

I posted a related question, here, trying to identify the exact subspecies of animals. In the documentary El Hombre y la Tierra, a golden eagle carries off some sort of juvenile(?) goat. The Japanese ...
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51 views

Which birds are capable of flying both forward and backwards?

Very random question - but it's often said that the hummingbird is the only bird that can fly backwards (for example, https://www.worldatlas.com/articles/which-is-the-only-bird-that-can-fly-backward....
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184 views

Which bird is this?

Found this today in my neighborhood, my mom says it's a baby vulture and she has seen many during her childhood (in 1970's) while she lived in a small town around 200kms away from our city. However I ...
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59 views

Why can't geese regurgitate food?

I saw this harrowing video on how barnacle goslings have to jump off very high cliffs because the parent's can't feed them. The death rate seems high. Why did natural selection come to favor jumping ...
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Do ringneck parrots reject eggs of other parrots in their nest / eggs touched by humans?

I've put up artificial parrot homes in my terrace. Parrots have been nesting there and have laid eggs in them. Of late i have been observing a large gathering of crows and a few hawks perching in the ...
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67 views

Chickpeas as feed for house sparrows , ringneck parrots?

I've put up a bird feeder outside my house, and so far I have been feeding uncooked white rice , and the birds seem to enjoy them. However, since I read somewhere that a variety should be ...
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1answer
60 views

How does taxonomy work? The case of the Avian Dinosaurs

I recently discovered that the class Aves (or Birds) has been renamed Avian Dinosaurs. My question is when this taxonomic denomination achieved the consensus of the scientific community and through ...
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2answers
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unknown bird in Long Lake Michigan…chocolate brown head and neck, charcoal body and tail, ivory wings, top and bottom [closed]

light chocolate head and neck w/ charcoal body and tail. the wings are ivory white, top and bottom from the body outwards. the colors are clear.....not mixed with other colors. no stripes or spots, ...
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69 views

Why do birds that walk on the ground walk so “bumpy”?

Why do birds that walk on the ground walk so "bumpy"? Most other animals walk quite smooth, doesn't matter if they are mammals, reptiles or insects or walk on two, four or more legs. Birds seem to be ...
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1answer
63 views

Why are ducks more cautious than pigeons?

In my city park there are mostly two types of bird: Mallard ducks Rock doves (pigeons) When I feed pigeons, they approach me very closely. Sometimes they peck the food that fell on my feet. If I ...
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Finger Millet ( a.k.a Ragi millet ) for house sparrow

I have a sparrow feeder at home, and im wondering whether Finger Millets are good for the little sparrow's tummy .. ? Looking for advice , thanks !
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1answer
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Why are there few quail any more in the Northeast of the US?

I currently live in southeast New Hampshire and was reading a history of my town and it describes the landscape as having a lot of quail and even partridges. The book said children going to school ...
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1answer
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What is this little owl-like bird?

I was walking outside (location: Netherlands) and just saw this little bird: Unfortunately I had to take a long range picture with my cell phone so the quality is quite bad, however I hope still ...
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1answer
67 views

House sparrow or something else?

These little flying fellows seemed to have made themselves a small nest in the crevices of the roof of my house (I live in Poland). I don't know if this makes a difference, but I do live near a small ...
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1answer
110 views

Can birds touch their wing tips together either in front or behind (not above and below)? [closed]

Can the tips of a birds wings touch so that it would form a ring if view from above or below? I suspect it might be a bird of prey and at the moment it is picking something up from the ground but I ...
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1answer
103 views

What kind of bird is this?

Found in southwest Michigan. It appears to have fallen from a nest.
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1answer
693 views

How far can parrots fly without needing to land?

This is for a story I'm writing. I can't find any information on how far various parrot species can travel without needing to land-- the closest I could find is this page saying that a macaw flies up ...
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1answer
2k views

Can crows see in ultraviolet? If so, does their plumage look different in UV?

Apparently birds which appear identical to the human eye can look quite distinct under UV light. Additionally, drab looking birds might have more "spectacular" looking plumage when considering ...
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3answers
560 views

Do birds grieve and feel emotion?

Crows are surprisingly clever with tool making/use and even understanding displacement water over sand! Clearly there's some relatively high level cognitive processes going on up in those avian brains....
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1answer
235 views

What species is this little white bird?

This bird was found in my backyard in the north east of Italy. It's about 5cm long and can fly as high as 1.5m (so far).
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Can Females Songbirds Have Male Plumage?

Male birds are colorful for courtship displays, females are dull for camouflage. But, is written in a website somewhere that sometimes, when females birds are sterile, they grow male plumage due to ...
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296 views

Mysterious spherical mass of feathers (Reddit)

Original posting from Reddit I am posting this here in the hopes that an ornithologist might be able to shed some light on this unusual finding. Locality is Boise, Idaho. This appears to be a ...
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Why are there fewer ospreys in upper New England?

I have a book by the Audubon Society on building bird houses. In this book the chapter on ospreys shows their breeding range to include Canada and then a pocket around the Connecticut and New York ...
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1answer
18 views

Does a bird nest out of its breeding range?

I have a book by the Audubon Society on building bird houses and for each bird they show a breeding, wintering and all year range. Do the birds only breed in their breeding range, or in both breeding ...
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Identifying a mysterious bird in the writings of Hebrew prophet Jeremiah

In Jeremiah 17:11, the verse states: קֹרֵ֤א דָגַר֙ וְלֹ֣א יָלָ֔ד עֹ֥שֶׂה עֹ֖שֶׁר וְלֹ֣א בְמִשְׁפָּ֑ט בַּחֲצִ֤י ימו [יָמָיו֙] יַעַזְבֶ֔נּוּ וּבְאַחֲרִית֖וֹ יִהְיֶ֥ה נָבָֽל׃ Like a 'korei' ...
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1answer
215 views

What is this Peacock-like creature?

In the below picture I believe bird in the foreground is a female. The one that opens the wings is the male.

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