Questions tagged [ornithology]

Questions relating to the study of birds.

Filter by
Sorted by
Tagged with
0
votes
0answers
15 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 ...
-4
votes
0answers
39 views

Can flightless birds run faster than flighted birds can fly in the same planar direction? [on hold]

Obviously a bird could fly very fast if they point downward with the assistance of gravity, but for instance if you had an ostrich running on the ground in one direction on a flat surface, and a bird ...
-1
votes
0answers
37 views

What are the different advantages of the specific bone structure in bird legs?

https://etc.usf.edu/clipart/72500/72509/72509_brdhindlimb.htm Looking at the structure of birds I notice there are a few specific patterns to the portions of bones. One is a short femur, a long ...
2
votes
1answer
40 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 ...
0
votes
0answers
9 views

Can house wren die of hypothermia at 14 celsius?

My dog ran after a cat in the backyard which just grabbed a house wren. The bird looked stunned and injured, but looked in okey shape, it would try to bite my hand when I put it in a box and it wasn'...
1
vote
1answer
58 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 ...
0
votes
0answers
32 views

Why are ducks more cautious than pigeons? City park paradux

In my city park there are mostly two types of bird: -Mallard duck -Rock dove (pigeons) When I feed pigeons, they approach me very close. Sometimes they peck the food that fell on my feet. If I hold ...
-1
votes
1answer
24 views

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 !
0
votes
1answer
39 views

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 ...
17
votes
1answer
4k views

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 ...
1
vote
1answer
51 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 ...
3
votes
1answer
86 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 ...
3
votes
1answer
96 views

What kind of bird is this?

Found in southwest Michigan. It appears to have fallen from a nest.
0
votes
1answer
84 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 ...
3
votes
1answer
97 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 ...
0
votes
0answers
13 views

Chickens and dust: Resistance and impacts on pulmonary function

A dusty, dry chicken is a happy chicken. Notably, the concept of dust-bathing, but also the dander they constantly produce which can lead to silicosis in humans where there is overexposure. (Photo: ...
7
votes
3answers
146 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....
3
votes
1answer
110 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).
-1
votes
1answer
41 views

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 ...
10
votes
1answer
98 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 ...
1
vote
0answers
8 views

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 ...
0
votes
1answer
16 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 ...
-2
votes
2answers
68 views

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' ...
4
votes
1answer
111 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.
3
votes
1answer
60 views

What bird is this (found at Alice Springs Desert Park in Australia)?

I was reviewing photographs of the animals we found on our trip to Australia during the past September and I cannot find what is the bird in the picture. It was found inside Alice Springs Desert Park, ...
2
votes
1answer
46 views

Does anybody knows name of this bird I found in my backyard in India?

I found this bird in my backyard in India. I checked several websites but wasn't able to identify it. Any help would be appreciated.
2
votes
2answers
86 views

Is feeding birds only after a snowstorm helpful or harmful?

We had a very rare snowstorm here which left the ground covered in 8" of snow and trees covered in snow and ice. It'll likely all melt away in the coming days as we have sunny days and temps rise ...
0
votes
0answers
19 views

Identify this avian courtship ritual

The female drops a twig from high up on a tree and the males have to catch it midair. The female is checking if the males can catch things midair because this species nests on cliffs, and the chicks ...
4
votes
1answer
300 views

How exactly do birds get drunk eating fruit? Fermentation should be anaerobic

The Washington Post article Drunk birds are causing havoc in a Minnesota town. Police say they’ll sober up soon. describes birds becoming intoxicated after eating berries: “The Gilbert Police ...
0
votes
0answers
15 views

Do vultures ever carry food away?

I was wondering if the feet of Vultures enable them to carry food found in one location to another location, or whether they always just eat what's on site, on site? In other words, can Vultures do ...
4
votes
1answer
73 views

What mammal or creature dropped this? (Warning: Gross Pictures)

I'm at a loss to explain what creature dropped or created this. This giant pile showed up virtually overnight. If someone could point me in the right direction, I'd greatly appreciate it. The ...
0
votes
1answer
107 views

Should I be concerned about health (bacteria/lice) after having birds fly directly over me? [closed]

Yesterday a flock of birds (crows) passed over my head. I've heard that there are many bacteria and lice in the feathers of birds. So I'm thinking about whether to wear or launder the clothes that I ...
3
votes
1answer
51 views

Why ravens play with garbage?

Why ravens play with small plastic details and other garbage? Could you explain how this behavior was formed by evolution for birds-scavengers?
3
votes
1answer
506 views

How do seagulls know it is the 9th inning at a baseball game?

Multiple times that I’ve gone to San Francisco Giants games, the seagulls sensed when the game was ending so they could pick up food. https://youtu.be/LPra_ZfwanU
3
votes
0answers
56 views

Do garden bird feeders harm wild birds?

I enjoy watching birds at a garden bird feeder but have started feeling guilty that it is having a negative impact on the birds. For example this study recently showed that birds in the UK have longer ...
-1
votes
2answers
84 views

Birds brewing beer?

There is a slight bend in the rain gutter next to my window. Over the last 4 years, I observed birds (ravens, magpies and newly doves) to dip their beaks in. I observed ravens to dip what I think was ...
1
vote
1answer
31 views

Why so fewer birds in the yard come late summer and early autumn?

We've enjoyed watching birds in our yard this past summer. We're in a suburb, fairly forested, inland northeastern USA hardiness zone 5. As we scaled up the amount of diversity and net primary ...
2
votes
0answers
33 views

The extinction of the passenger pigeon [duplicate]

During the time when the passenger pigeon was hunted down to only captives in the zoo, how could the zoo not maintain a small population and keep the species alive? Why did the population slowly die ...
3
votes
1answer
53 views

Can you identify the bird in this photo?

I spotted this bird in Bangalore, atop a building on a September morning.
-1
votes
1answer
51 views

Could an 150 pound human have flown on the back of some species of pterodactyl (assuming they still existed)? [closed]

I'm curious if any type of flying animal that ever existed would have been able to carry your average 150 pound man.
0
votes
1answer
87 views

What kind of bird is this and what does it eat?

My father found this little guy in one of the tractors of where he works (in the fields) i’m not sure what species of bird it is and what it eats. It just keeps chirping not stop and I have no clue ...
-3
votes
1answer
170 views

Could we back-breed birds into dinosaurs? [closed]

Do some species of birds have dinosaur DNA? Seeing as how birds evolved from dinosaurs. I presume this isn't possible as I haven't seen anything else about it on the internet but it's interesting to ...
2
votes
1answer
67 views

Confirmation for a picidea

I am sorting some pictures and found this one taken from Swiss Jura Mountains (North part, alt ~700m) in March 2013. The day before I saw a Dendrocopos major (...
2
votes
1answer
130 views

Identify the fluff that I have found in tea

I have just opened a new pack of a black Pu'er tea that I've bought at the local store selling it by weight, and found a piece of fluff in there. To me it looks much like some kind of a bird fluff. It ...
6
votes
1answer
118 views

Is this a hawk, or an eagle?

I saw this large bird gliding fairly low over the trees while hiking in the late afternoon in some hills near Taipei recently. It seemed quite large compared to what I normally see here. It's quite ...
7
votes
1answer
207 views

What kind of big bird is this seen walking around Taipei?

I've seen this humorous sign warning drivers to keep an eye out for birds many times, but today I finally realized what it's talking about! This is a large bird and I've seen it all around Taipei in ...
3
votes
1answer
108 views

Should I help this young Magpie?

I found this young Eurasian Magpie in my garden: He is just standing there, not doing anything. I believe he fell from a tree and can't fly yet and is just waiting for the feeding from his parents ...
1
vote
1answer
45 views

Trying to identify an Ontario bird photographed in Spring in the Don Valley

Any help is appreciated! I think this may be a juvenile bird? I thought it might be a brown-headed cowbird, but the plumage and head markings don't seem quite right (compared to examples on the ...
9
votes
1answer
1k views

What species is the smallest bird?

What species is the smallest living bird in the world? What circumstances limit the bird size from the bottom?
1
vote
1answer
103 views

Brood Parasitism - Parasitism/Ammensalism/Commensalism?

Parasitism has the parasite benefitting while the host is harmed. In Brood parasitism, the Cuckoo rests its eggs in Crow's nest for incubation. How does this harm the Host? Why not considered ...