Birds, also known as Aves, are a group of endothermic vertebrates, characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweight skeleton.
Giant South American bird that can disembowel a human with a single blow and run at speeds of 40mph loose in the English countryside. Rhea escaped from home in Brent Pelham, Hertfordshire, four weeks ago
Birds have high basal metabolic rates & so use energy at high rates.Among birds, songbirds (passerines) tend to have higher basal metabolic rates than nonpasserines. And, of course, the smallest birds, hummingbirds, have …
If you can get over the whole spitting thing, camels are pretty cute—at least until they open up their mouths. It’s like staring into the Sarlacc pit from Return of the Jedi. What are those little fleshy things? What purpose do they serve? What is going on here? The things in the camel’s mouth are
The dodo (Raphus cucullatus) is an extinct flightless bird that was endemic to the island of Mauritius, east of Madagascar in the Indian Ocean.The dodo’s closest genetic relative was the also extinct Rodrigues solitaire, the two forming the subfamily Raphinae of the family of pigeons and doves.
The grand ornithological undertaking took 400 hours of illustration time. The birds are sorted by species and family, grouping together starlings with starlings, owls with owls, and sparrows with sparrows. Learn to identify every diurnal bird of prey in North America, or admire how many different
The guitar chords and lyrics here are for Rock Songs by artists not on other pages
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