Balance is for the Birds | HuffPost

In the United States, people have been interested in feeding wild birds since the mid-1880s. Today, feeding birds is an exciting hobby that over 60 million Americans are enjoying everyday. To have a year-round, healthy bird population in your landscape is also a sign of a healthy eco-system. According to the Audubon Society, "Birds are important because they keep nature's systems in balance: birds pollinate plants, disperse seeds, scavenge carcasses and recycle nutrients back into the earth." Plus, they're fun to watch because birds create a garden that is alive with color and movement. If you already have a variety of birds in your yard, it probably means that you have the necessities that keep them coming back: native shrubs, trees or perennials that supply all sorts of goodies including plentiful seeds, berries, insects and even shelter. And last, but not least, a pesticide-free environment will attract the most birds because there will be a healthy balance of insects for insect-eating birds and their young ones. And, in winter, one of the first questions that eager birdwatchers ask is, "How do I attract the most birds to my bird feeders?

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In a field study of breeding male and female barn swallows (Hirundo rustica erythrogaster) from North America, we assessed within-individual changes in carotenoid profiles as a function of both morphology and reproductive performance. We focused on carotenoids in our research because of previously established correlations between circulating carotenoids and fitness in this species , . We also accounted for the degree of sexual ornamentation (ventral brown, melanin plumage coloration–not created by carotenoid pigmentation; ), which in European populations of barn swallows is associated with carotenoid status and among North American birds is a strong predictor of social and genetic measures of breeding success , . We predicted that individuals best able to maintain a positive balance of these health-associated molecules (likely via foraging efficacy) may also be capable of greater seasonal reproductive performance.

Balance Bird or The Amazing Balance Birds - Chichester, Inc.

[…] Balance is for the Birds! | Caitlin Fitzpatrick Curley, My Little Poppies […] Students can use the Balancing Bird in an investigation to understand Center of Mass. It will maintain its equilibrium at nearly all times, and will recover from a great degree of upset. The bird's balance point is its beak. Students can further explore disrupting the state of equilibrium by adding paperclips to the wings, pressing down on one wing or the tail.

Handmade Wooden Balance Birds - Mama May i

When a bird is suffering from ataxia, they have the inability to coordinate their voluntary muscles. They will appear clumsy and will stand with their legs splayed apart for balance or they may use their beak as a hook on the side of their cage to stay balanced. Birds that are severely ataxic will not be able to sit on their perch without falling off, they may also not be able to walk without stumbling or falling over.

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Water balance requires the input matches output. Most birds can obtain water directly by drinking. Birds can also obtain water via the foods they ingest. For example, carnivores ingest animal tissue that is primarily water, frugivores consume fruits containing water, and the nectar consumed by nectarivores is, of course, largely water. In the Sonoran Desert of the southwestern United States and northwestern Mexico, a cactus plant (saguaro, Carnegiea gigantean) appears to be an important source of water for several species of birds (Wolf and de Rio 2003). Even foods that seemingly contain little water can serve as a water source because water is produced as a by-product of cellular metabolism. This metabolic water can be of particular importance to birds in arid environments (Williams 1996). For example, metabolic water represents about 14% of the total water needs of Ostriches in the Namib Desert (Williams et al. 1993). The amount of water formed during fuel oxidation depends on a variety of factors, including metabolic rate and fuel type (carbohydrates, fats, or proteins; Schmidt-Nielsen 1997). Catabolism of fat alone produces about 27 µl of water per kilojoule, whereas catabolizing a mixture of 70% fat and 30% protein yields about 34 µl of water per kilojoule (Klaassen 1996). Of course, a few of these are still around from their heyday, mostly in science classrooms. Balancing Birds are educational toys as well as interesting ones, because of what they teach about the properties of physics. (There’s even a way to build a replica, using a toothpick, cork and 2 forks that is equally impressive; .)