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The underside of the claw of the middle toe is comb-like with serrations. [4] Their soft plumage is cryptically coloured to resemble bark or leaves, and some species, unusual for birds, perch along a branch rather than across it, helping to conceal them during the day. The subfamilies of nightjars have similar characteristics, including small ...
Dr Alexandra Oliver, associate clinical director at Bupa Health Clinics (bupa.co.uk), says: “Many people are aware of the obvious signs of cancer, such as a new lump or a change to a mole ...
Cancer symptoms are changes in the body caused by the presence of cancer. They are usually caused by the effect of a cancer on the part of the body where it is growing, although the disease can cause more general symptoms such as weight loss or tiredness. There are more than 100 different types of cancer with a wide range of signs and symptoms ...
The hunt ends as dusk becomes night, and resumes when night becomes dawn. [13] Nighttime feeding (in complete darkness) is rare, [ 4 ] even on evenings with a full moon. [ 13 ] The bird displays opportunistic feeding tendencies, although it may be able to fine-tune its meal choice in the moments before capture.
The fiery-necked nightjar is best known for its very distinctive song. It consists of a series of mellow notes that many say sounds like "Good Lord, deliver us deliver us deliver us". [3] This song is often preceded by a wind-up call. [3] However, they can sometimes sing this wind-up call for a very long period and never switch to the full song ...
2. Use Mnemonics . To help remember which song goes with which bird, “Some people find it helpful to use mnemonics,” says Dr. Webster. “You can picture the song in your head, creating a ...
Bronchophony may be caused by a solidification of lung tissue around the bronchi – which may indicate lung cancer – or by fluid in the alveoli, which may indicate pneumonia. However, it may also have benign causes, such as wide bronchi. As such, it is usually an indication for further investigation rather than the main basis of a diagnosis.
Bird flu is a scary illness with a high mortality rate. But so far, infections in the U.S. have been relatively mild—until now. A patient in Louisiana has been hospitalized with a severe case of ...