Where can I find informations about the topic? I need to find some examples.

I also really need this particular information: I know that many female mammals display lordosis behavior that indicate receptivity to copulation, but can birds do that or it is a peculiarity of mammals only?


closed as too broad by AliceD, rg255, terdon, Remi.b, March Ho May 5 '16 at 12:40

Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

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    $\begingroup$ Yes, I'm afraid the answer will depend entirely on the species. Please edit your question and narrow it down. It is too broad for the site at the moment. You might want to have a look at our help center to understand what's on topic here. $\endgroup$ – terdon May 4 '16 at 13:32
  • $\begingroup$ Thank you for the suggestion. I edited the question and I asked for reference if the topic is still too broad. Is it ok now? $\endgroup$ – emanuele ascani May 4 '16 at 19:16
  • $\begingroup$ Edited again because the question was put on hold $\endgroup$ – emanuele ascani May 5 '16 at 21:17
  • $\begingroup$ There are many articles on Google Scholar that discuss this topic. $\endgroup$ – Anderson Green Sep 18 '17 at 16:23