I went out this morning before work and i see this. What the heck is going on here and should i be worried? I have never seen them ball up like that at the entrance. In case you cannot tell, the top 2 entrances are the same size and at the same height.
nothing to worry about. They are just hot. If you had an observation window, you would see that all the bees are spread out inside the hive as well. Very typical for this time of year. Just make sure the bees have access to water so they can cool the hive as they see fit.
I have 3 entrances on mine and one will look all balled up just like yours and the second one has a few bees hanging out on the porch and nothing happening on the third entrance.
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