First they collected sound data from 67 nests in four sites in queensland before and afterhatching. 2017年高考英语江苏卷 阅读理解 阅读B 原文 英英释义 Noun 1. the production of young from an egg 2. shading consisting of multiple crossing lines 行业词典 动物学 孵化 昆虫学 孵化蛻殼...
necessary to crack the egg shell (Lipar2001; Lipar and Ketterson2000) and leads to earlier hatching (Eising et al.2001). Another line of evidence that birds may try to minimise the effects of HA comes from the studies that show that in some species females increase egg volume with laying...
2014: Precopulatory sexual cannibalism causes increase egg case production, hatch- ing success, and female attractiveness to males. Ethol- ogy 120, 453--462.Pruitt, J.N., Berning, A.W., Cusack, B., Shearer, T.A., McGuirk, M., Coleman, A., Eng, R.Y.Y., Armagost, F., ...
It's important to note that my duck babies are pets not raised for meat or egg production. I actually give all their eggs to a local small bakery business. Metzer has delivered properly sexed, beautiful ducklings that have arrived healthy and alert. Whenever I've had questions about shipping...
Egg case mass and number of offspring were positively correlated in cannibalistic females. Sexual cannibalism was associated with improved hatching performance.doi:10.1016/j.anbehav.2012.06.030Aric W. BerningDepartment of Biological SciencesRyan D. H. Gadd...
Egg volume increased with food supplementation in one of the two years of this study, but both egg volume and incubation attentiveness were unrelated to rate of hatching failure. As previous genetic analyses confirmed that the bottlenecked population of robins on Motuara Island have significantly ...
Thus, offspring of cannibalistic mothers appear to have increased hatching success in heavier egg cases. This may represent a novel advantage associated with sexual cannibalism.Aric W. BerningRyan D.H. GaddKayla SweeneyLeigh MacDonaldRobin Y.Y. Eng...