Other contributors have said "How does a bird eating spider spin a web?" is the same question as "What type of web does the triangular spider spin?" If you believe that these are not asking the same thing and should be answered differently, click here
most male spiders do indeed spin webs. In a small number of species the males are essentially parasitic on the female webs, hanging arund the edges eating insects that are too small to attract the...
It is most likely because of the type of spider and the type of web the spider spins. If it is a thin web, then the spider needs at least 3 corners to work. thik webs usually are spun in bushes or...