Which trait is unique to birds?

Flight
Wings
Endothermic
Feathers

there’s no image attached but i can if you want: )

yes it is   dangerous

explanation:

because that foot is discusting and could get you sick

nucleus

would be most reasonable answer tbh

answer >   yes we do, women; have three holes, urethral opening(pee hole, vagina, and the women pee/girls pee out of the urethra like the men do; only they have a single opening to pee/ejaculate.   (sorry if i'm too forward with this, but this is for a biology class, isn't it? )

hope that !         : )