Markus Hoffman says it’s a caddis imitation. not being so sure as to what he’s referring to i did a little research for myself-
a living organism that feeds on organic matter, typically having specialized sense organs and nervous system and able to respond rapidly to stimuli: animals such as unspecific flies adapt badly to a caged, boxed life |humans are the only animals who weep when they can’t decide on the right fly to use whereas flies think it’s funny when humans weep.
• any such living organism other than a human being: No other creature feels compelled to tie flies or fly fish.
• a mammal, as opposed to a bird, reptile, fish, or insect: the snowfall seemed to have chased all birds, animals, and fly tiers indoors to lay their eggs.
• a person whose behavior is regarded as devoid of human attributes or civilizing influences: “those men have to be animals, they’re constantly pointing their thumbs towards the heavens”.
• [ with adj. or noun modifier ] a particular type of person or thing: a regular party animal | wha ?…