This excerpt could be considered humorous because of the way in which the events are retell and because of the choice of words. their arrival is portrayed in such a way that the reader might think, it could have a deeper meaning. For example
"<span>It regarded us a while without curiosity but with caution, and after we were seen to be harmless" This might be understood as a fun way of expressing that people were all over them, to check who they were, they pay close attention to these "new people" until they were convinced they are fine. </span>
Binomial Nomenclature is the scientific system of giving double names for animals and plants.For example Chlamyphrus Truncates is the binomial nomenclature name for the Pink fairy armadillo