Jun 27, 2023
impress? lovely feathers, yes? impress? attracted to me? good feathers?
eep!
(male brown-headed cowbird attempting to woo a female)
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impress? lovely feathers, yes? impress? attracted to me? good feathers?
eep!
(male brown-headed cowbird attempting to woo a female)
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Hmm. It’s the only footage of Porismus strigatus I could find online (and it’s quite interesting mating behaviour) but whoever put this video up and is apparently selling the footage desn’t credit Densey Clyne, the Australian naturalist, photographer and writer, especially well known for her studies of spiders and insects. That’s her presenting the video.
Why does the bowerbird engage in such complicated, time-consuming, and exhausting mating rituals? No one is entirely sure. One theory is that, in contrast to species like the peacock, where the male has very distinct and visible coloration to attract mates, the bowerbird keeps its nuptial colours external, thus making it easier for the male to hide from predators. This makes a certain amount of sense for species like the great bowerbird (lowest image), perhaps, but not for others like the regent bowerbird (center image). Some studies suggest that it is a way for the female to judge the male’s health; the male bowerbird’s plumage and colours may indicate that he is free from internal parasites, while the bower itself may show a lack of external parasites.
Perhaps the most interesting theory, however, is that the bower may have begun as a way of preventing forced copulations, and thereby reassuring the female of her choice of mates. During courtship by the male in the bower, the female often stands under a constructed archway or roof, thereby preventing the male from mounting her unless she moves. Evidence for this theory is seen in different species of bowerbird; The Archbold’s bowerbird, for instance, does not construct a true bower, but their courtship has been heavily modified so that the male cannot mount the female without her cooperation. In contrast, the toothbilled bowerbird also does not construct a bower, and males have been seen forcibly copulating with females by attacking them in the air.
Mating banana stalk flies on the bark of a rotten moringa tree at Tehatta, India. The banana stalk flies (Neriidae) are slender and long-legged, are related to the Micropezidae, and found mainly in tropical regions. Neriids breed in rotting vegetation, such as decaying tree bark or rotting fruit. Males engage in spectacular battles for territory or access to females. The rivals elevate their bodies to an almost vertical posture and pound each other with the ventral surfaces of their heads, strike each other with their forelegs, or try to place each other in a headlock -Photograph: Soumyabrata Roy/NurPhoto /Rex/Shutterstock
I assume the headlock move is done after imbibing alcohol from rotten fruit, much like their human counterparts at pub closing time.
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If you have videos of stag beetles throwing things or other beetles
Send me.
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Interesting research though since it has only been one on one species of bird, I don't think you can draw any conclusions for other bird species, much less other members of the animal kingdom. Still interesting.