the feathers on top of the bird's head is called the crest or the crown. When it is upright the bird can be considered alertand content.
It typically means it is about to defecate
They put the head feathers up because they are happy. They are fond of someone or something or a sound.
Condors are hunted. They are hunted for their feathers. Their feathers are then put up in a Musial as an exhibit
probably yes
Sounds a lot like a SILKIE rooster. There are others with large feathers on the top of the head. The Dutch Crested (Polish) and Silkies are among the few who have feathers on the head. See related links below to see others.
I think that is a Hoopoe, my favourite bird. It either has a very large crest with feathers sticking up out of its head if it's alarmed, or the feathers are down lining the back of its head. Very colourful.
The mayans wore head dresses with feathers on them and they dressed up like lepoards.
Sulphur crested cockatoos have been known to live up to 80 years in captivity.
Sounds like possibly a Polish hen or a Silkie
Owl ear tufts are tufts of feathers that stick out of an owl's head that look like ears. They are not ears, they are feathers. An owl's ears are near it's eyes, at the center of the bowls of feathers making up its face.
If your parakeet has sticky, but dried head feathers he could have an Trichomonas infection. This type of an infection is caused by a protozoal organism and produces heavy mucus which the bird will spit up. When it is flung around from its mouth, it will stick to the feathers and when it dries it feels just like someone had put hair styling gel in the feathers. The treatment for this type infection is Ronex or Ronivet - S or any medication that contains Ronidazole.
Owl ear tufts are tufts of feathers that stick out of an owl's head that look like ears. They are not ears, they are feathers. An owl's ears are near it's eyes, at the center of the bowls of feathers making up its face.
No, he is not sick, although he might be a little bored, he is just changing his old feathers. Try to spend more time softly talking to him and ruffling his head feathers to calm him down. If he starts plucking out his feathers a lot, contact a vet without hesitation.