I'm pretty sure Platina could do it if he set himself up to it, but they are long as all hell, which is why its scary. I'm pretty sure I could do it too, but the ones that seem interesting from the illustrations are so damn long that I don't ever feel up to it
The two girls (not Renko and Merry in the Anko) is sitting in the park when a family came to demand sweets sweets for showing their cute little ones. Thanks to their work, these humans can naturally ignore all the yukkuri is saying.
Both human came to observe something, and it arrived. A city Remirya who quickly snatch the Koreimu and suck them dry.
City yukkuri evolves. They form tightly organized clan, hunt in group and inform each others about danger. This doesn't help with their mortality rate, but become trouble for predatory types.
Hunting the more sensitive city stray is different from stupid wild yukkuri. They hunt in group and predators could easily become outnumbered. Most predator hunting clan yukkuri ends up dead.
The other choice is hunting solitary yukkuri like these. City Remirya learned a great tool to find them, Human. Useless scums are usually not accepted in stray clans, so they ends up demanding food from human. Yukkuri spitting "uneasy words" to human is not from a clan.
But they also learned many other things for survival. While eating, this Remirya fly higher than human reach. It throw the carcass of the dead Koreimu to bait their parents to place further from the human before attacking. In other times, they can also snatch away accessories and let the owner chase them. It also took away the Marisa hat from its victim. This hat can be used to build nest on trees. Lastly, it ignores the mother Reimu sitting unconscious near the humans.
There's also report about Remirya throwing yukkuri to manhole hatch in summer. The hot metal cooked the yukkuri before they are eaten. Yes, city Remirya also learned about cooking. Of course that can't be observed during the autumn like this.