A group of crows is called a “murder.” There are several different explanations for the origin of this term, mostly based on old folk tales and superstitions. For instance, there is a folktale that crows will gather and decide the capital fate of another crow. read more
Annoyed because, as a lifelong birder, I’ve never once used “parliament” for owls or “murder” for crows or anything of the sort. Or heard anyone else use them. A group of birds—any birds— is a “flock.” A group of cows is a “herd.” Other than that, I just don’t see enough groups of other animals to need more words. read more
Hence we have a pride of lions, a gaggle of geese, and a murder of crows. Lions were thought to be regal beasts, so they got a proud name. Geese were noisy, flocking creatures, so their group name reflects that. Crows were thought to be loud, thieving birds. so their group name reflects those traits. read more