For all scientists involved in avian research | Review and cite ORNITHOLOGY protocol, troubleshooting and other methodology information | Contact experts in ORNITHOLOGY to get answers
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Questions related to Ornithology
Hello. What are non-lethal ways or trapping methods that may be used to capture birds, both in an urban setting and in the wild? The purpose mainly is for a comparison of the morphological...
21 April 2017 307 9 View
Please help me identify those feathers. All are collected from Estonia. 1&2 Columba sp. - collected from forest near is moor and futher little village. Tail feather is too short for C....
20 April 2017 2,809 3 View
I found that SODA is rarely used in recent papers but I don't see how others account for the problem that minimum stopover length (as directly estimated by ringing data) can dramatically differ...
13 April 2017 2,953 2 View
Hi all, I am searching for any data on the density of a birds’ beak (g/cm3). I have so far found one paper on the density of toucan and hornbill beaks (Seki et al. 2010, Acta Biomaterialia 6...
13 April 2017 9,823 3 View
the feathers called which cover the base of the primary and secondary wingand main tail feathers?
13 April 2017 9,242 20 View
It is a domestic duck. Generally domestic ducks are result of interbreeding of wild duck species. I snapped this image from Santiniketan, West Bengal, India today. Colour is quite similar to...
03 April 2017 3,695 2 View
Hi, I am interested in slaughterhouse pathology, does anyone have any reference about findings in live uncut bird? i expect something similar to drowned wild birds, but the effect of the...
25 March 2017 2,504 0 View
I am studying species-specific hearing ability across taxa in order to better understand the effects of anthropogenic noise on animals. I don't have a background in acoustics or audiology, and I'm...
23 March 2017 3,995 8 View
21 March 2017 674 2 View
Do you have recommendations of artificial burrows for these seabirds, that you experienced: Polynesian Storm-petrel: Nesofregetta fuliginosaHerald Petrel: Pterodroma heraldicaMurphy’s Petrel:...
18 March 2017 4,532 2 View
I can identify to species beetle fragments from Little Owl pellets, especially from Britain or Western Europe. I think this will inform feeding habits/ foraging sites of the birds, as well as...
07 March 2017 1,102 9 View
A lot of birds sounds databases exist. There is also a lot of publications comparing sonograms of different species. Have anybody know one publication concentrating all sound frequencies of...
19 February 2017 7,933 3 View
Although some of the larger-beaked tits can act as predators on medium sized seeds, many (all?) tit species in East and Southeast Asia also eat soft, small-seeded fruits, such as figs. I presume a...
08 February 2017 8,497 6 View
In Australian sheep, gastro-intestinal worms reduce productivity and also cause diarrhoea and faecal contamination that attracts blowflies, leading to flystrike. Moreover, the worms are now...
14 January 2017 9,006 2 View
I would like to know how these systems work in birds.
07 January 2017 427 5 View
I’m a biologist working in Behavioural Ecology. I am trying to determine whether individuals (birds) show preference for certain locations within a treeline. My data are locations for 15 different...
21 December 2016 2,864 8 View
I am interested in knowing different compounds used in sporulation of Eimeria spp. Potassium dichromate happens to be one of them.
06 December 2016 3,485 8 View
I have tried to find resources about one-dimensional spatial point process but I have not gotten. I need to analyse one-dimensional spatial point process using R language and I need to know theory...
04 December 2016 7,492 2 View
I am looking for reviews or articles which give distances for the following species: Anthus trivialis, Emberiza citrinella, Phoenicurus phoenicurus, Pyrrhula pyrrhula, Miliaria calandra, Galerida...
29 November 2016 343 6 View
Making some reseach in wild birds parasites I found these eggs in feces samples. Birds hosts: A - Asio otus [ long-eared owl ] B - Athene noctua [ little owl ] C - Aquila pennata [ booted eagle...
21 November 2016 2,276 7 View
I would like to use audio recordings for determination of individuals. However what is better - to research turnover of individualls annually or for longer period (each two years)? So, main idea...
18 November 2016 213 6 View
According to different internet sources The Horned Sungem (Heliactin bilophus) is reported to have the fastest wingbeat per second in hummingbirds during hovering. It can make 90 wingbeats per...
06 November 2016 2,122 1 View
35 years ago, when I was a young boy of 15 years, I could find my first really interesting vertebrate fossil in the garden of my parents house at Ochsenhausen near Biberach/Riß...
06 November 2016 8,178 11 View
I have been trying to estimate rates of mortality due to human causes, but this requires estimates of population size. I have developed two methods for estimating global population size of all...
27 October 2016 7,426 6 View