Interesting. You are the fourth person to ask about this bird that I've seen so far.
It is a Northern Flicker, specifically the "Yellow-shafted" morph, nicknamed "Yellowhammer". It is a species of woodpecker.
Starling, not a true blackbird.
Crispy Wings are yellow
Cripsy Wings are yellow
Morpho butterflies are commonly blue and green with transparent or yellow wings. They are known for their striking iridescent colors and large wingspan.
Sticky wings
Sticky Wings are yellow
Crispy wings is yellow
The insect with wings that have yellow stripes and can fly is a wasp.
The distinguishing characteristics of the yellow moth species include its bright yellow coloration, typically with dark markings or patterns on its wings. Yellow moths are often medium-sized and have a fuzzy or hairy appearance. They are nocturnal insects that are attracted to light sources at night.
Chickadee
Adult Bald Eagles have white heads and tails and dark brown bodies. They have large yellow feet with sharp talons and a large yellow beak and yellow eyes. They can weigh up to 14 pounds (6.5 kg) and their wings can stretch to over 7 feet (2 metres) across (including the body).
Yes this is used to defend or signal that it is being attacked.