Uric acid in paste form. Energetically more expensive an excretory method, but I forget why they use the uric acid excretion.
Owls excrete from their anus just like other birds. Also, because they swallow their prey whole, they regurgitate the undigestible parts of their pray like hair and bones. This regurgitated material is called an "owl pellet."
The 3 waste materials that the lungs are known to excrete include carbon. The lungs also excrete water and heat.
Salim Moizuddin Abdul Ali is known as father of birds.
A rodent might excrete on people that they are comfortable with, or who they like. I've had a few mice who did not seem to like others, and did not excrete on them, but whenever I held them, they were usually calm and sometimes did crap or pee on me. It has been known in a few other cases who had mice, gerbals, or the like.
Humming Birds
birds dum one
They can and they will. Birds produce a dust that can trigger an allergic reaction known as 'alveolitis' and is known as 'bird breeders lung'. This will affect a human who is already sensitive to lung related problems. It is more likely to occur when birds are kept in a confined space so that inhalation of feather dust and fecal is more concentrated. Illness can be noted between 4 and 6 hours after inhalation. Prolonged exposure may be serious
A powerful concentrated light is known as a laser. Lasers produce a focused beam of light that can be used for various applications such as cutting, welding, surgery, and communication.
There are many birds known as birds of prey, including things like hawks and eagles.
ornithology {Greek word meaning the a birds and logos}
6000000...0000000milllion trillion birds
There are multiple official meanings for the word concentrated. The most common used and best known meaning is "focused". If one is concentrated, one is focused on work at hand.