Confidence votes 210. Antigone is considered a tragic hero, because tragic heroes have several qualities: They are royal, they have a tragic flaw that leads to their downfall, they have an unhappy ending, and lastly the character is worthy of concern. First, Antigone is royalty. This is shown through her bloodline in several ways.
The down feathers of eider ducks provide insulation due to lack of barbules and ability to fluff. Infrared image of a goose, showing its insulating capacities. Down feather structure is important for insulating properties. Eiders insulate their arctic nests with down feathers. Click/tap images for attribution and license information.
When it comes to birds, preening serves a few difference purposes. Preening aligns their feathers to provide insulation and protection from weather. It's also a way for them to get rid of lice, and it makes them more attractive to potential mates.very feather has tiny interlocking hooks called barbs, and preening makes all of the tiny barbs line up like a â¦ zipper. Preening makes a bird look and feel its best. While preening, birds will also pluck dead feathers and pick the sheaths off of new growing feathers.