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Questions related to birds
I'm trying to solve a set of equations of motion of a system by ode45 in Matlab. My phyisical memory is 24 GB. Matlab can use up to 100% of the memory but it only uses less than 50% of it and...
26 December 2022 9,515 4 View
Hello every one. I need to convert chk to fchk file for plotting Transition Density Matrix(TDM ) King regards.
19 December 2022 3,813 0 View
All, What's your take on using Photosynthetic Active Radiation (PAR) provided by NASA POWER as observation? I can't find daily PAR anywhere. Please advice. Thanks!
26 August 2022 6,745 2 View
http://static1.1.sqspcdn.com/static/f/1200343/27791702/1515005906400/PC31_Shekelle_et_al_Two_new_tarsiers.pdf' Tarsius supriatnai was discovered around 2016 and for this reason, the literature of...
16 May 2021 6,853 1 View
Research Question: Are red grouse (Lagopus lagopus scotica) a statistically significant proportion of raptor (bird of prey) diets? I am planning on using a series of G-tests (determining whether...
24 February 2021 6,096 3 View
Hi all! My work team and I are looking for papers on muscular descriptions of the hindlimbs of birds (extant and extinct) that include the intrinsic muscles of digits. Any help will be more than...
23 February 2021 8,563 6 View
Sympatric birds may avoid competition via multiple strategies - by different activity period, different diet, different microhabitat etc. Has any one looked into behavior of sympatric birds as...
12 January 2021 9,799 1 View
I have gathered field data about birds at hanging feeders. One question I am trying to answer is is the proportion of time spent being vigilant at the feeders the same in all species. I have run...
08 January 2021 8,630 4 View
Hello! I try to find a method for estimating smoothness (or roughtness) of a discreet signal. The first obvious guess is standard deviation. However, it works only for stationary signals (as in...
06 January 2021 3,831 4 View
I have categorized the disturbance basically on movement of people and vehicle in into 3 categories. Disturbed, close to highway and movement of people from dusk to dawn. Intermediately...
31 December 2020 9,022 4 View
Has anyone used a drone equipped with a microphone/camera to study the acoustic behavior of canopy species of frogs and/or birds?
22 December 2020 7,833 17 View
In discussion with some farmers and colleagues, I came to know that poultry birds are fed alcohols to enhance their production/performance and treat the respiratory infecions. Is there any...
14 December 2020 4,874 17 View
I need to the required sample ,reagents and steps
11 December 2020 7,245 1 View
It has been obsessed since long that millions of birds were migrated every year between the countries and on contenant level. Migration was happened due to seasonal variation, environmental...
01 December 2020 3,087 9 View
Trade in wild-caught birds is big business. Most data on which species are traded and in what volumes comes from CITES. But the CITES Appendices do not cover all traded bird species, e.g. it does...
01 December 2020 2,113 4 View
I have survey response data on a likert-scale for the factors that influence the response of a customer to a marketing campaign. For example, one question asks about the importance of the music...
30 November 2020 7,711 2 View
How can we estimate the number of quail birds in a treatment and in a replication for 5 treatment and 4 replication for feed research? Is there any range limitation to keep the number of birds?
20 November 2020 3,047 3 View
I am particularly interested in the mental and physical effect of doing bird-like qigong movements in bird sanctuaries.
16 November 2020 8,857 2 View
I m recently investigating the impact of climate change on shorebird population trends, I would like to know what is the impact of fluctuations in variables such as sea surface temperature, global...
11 November 2020 9,463 15 View
I would like to ask a recommendation of a statistical test to answer a question related to an unusual data structure. I am testing if birds change nest parental care behavior depending on...
18 October 2020 2,218 1 View
I need to extract a measure of fragmentation for each landcover class found in a individual homerange of a bird. E.g. level of fragmentation of grassland within the homerange of the bird...
14 October 2020 1,021 7 View
I would like to automatically generate a Markov chain analysis for my set of bird songs that I have assigned syllable categories to using R. I have around 70 songs (each from an individual bird)...
14 October 2020 5,025 2 View
I am trying to differentiate whether the plumage is gray or black with certain values. I have bird's image (jpeg) with a scale (ruler) and color card beside the bird's body
08 October 2020 2,052 1 View
I am a bit stuck with this. Say for example there is a species of bird with variable colours, and they can present as red, blue, green or a combination (red-blue, red-green, blue-green,...
02 October 2020 3,930 3 View