3 ms·
there are quite a few bird species that are so similar that the only reliable way to tell them apart is their vocalizations. a good example is red eyed vireos a
by peanut_worm 4y ago
there are quite a few bird species that are so similar that the only reliable way to tell them apart is their vocalizations. a good example is red eyed vireos and black whiskered vireos.
I am terrible with calls, this article will be very helpful for the fall migration, thanks OP.
- Y6723344 4y agoThis even extends to insects - the common green lacewing Chrysoperla carnea was found to be multiple morphologically identical species which can only be distinguished by their mating songs: https://en.wikipedia.org/wiki/Chrysoperla_carnea https://en.wikipedia.org/wiki/Chrysoperla_carnea https://www.researchgate.net/publication/233603707_Discovering_the_True_Chrysoperla_carnea_Insecta_Neuroptera_Chrysopidae_Using_Song_Analysis_Morphology_and_Ecology https://www.researchgate.net/publication/233603707_Discoveri...