The Hummingbird

Diet Hummers drink nectar, a sweet liquid inside flowers. Like bees, they are able to assess the amount of sugar in the nectar they eat; they reject flower types that produce nectar which is less than 10% sugar and prefer those whose sugar content is stronger. Nectar is a poor source of nutrients, so hummers meet their needs for protein, amino acids, vitamins, minerals, etc. by preying on insects and spiders, especially when feeding young. Most hummers have bills that are long and straight or nearly so, but in some species the bill shape is adapted for specialized feeding. Thornbills have short, sharp bills adapted for feeding from flowers with short corollas and piercing the bases of longer ones.

The Sicklebills' extremely decurved bills are adapted to extracting nectar from the curved corollas of flowers in the family Gesneriaceae.

The bill of the Fiery-tailed Awlbill has an upturned tip, as in the Avocets. The male Tooth-billed Hummer has barracuda-like spikes at the tip of its long, straight bill.

The two halves of a hummingbird's bill have a pronounced overlap, with the lower half (mandible) fitting tightly inside the upper half (maxilla). When hummers feed on nectar, the bill is usually only opened slightly, allowing the tongue to dart out and into the interior of flowers.

Like the similar nectar-feeding sunbirds and unlike other birds, hummers drink by using protrusible grooved or trough-like tongues.

Hummingbirds do not spend all day flying, as the energy cost would be prohibitive; the majority of their activity consists simply of sitting or perching. Hummers feed in many small meals, consuming many small invertebrates and up to five times their own body weight in nectar each day. They spend an average of 10–15% of their time feeding and 75–80% sitting and digesting. Here is a Great Book explaining how to attract the hummer and keeping it around for years to come. I own it myself and highly recommend it.

This guide will give you the information you need to be able to recognize Hummers, how to attract Hummers and how to distinguish good gardens and bad, gardens and answer the questions you may have such as.

* What kind of species are there?

* How to identify a specific breed.

* What do Hummers nests look like?

* What do Hummers eat?

* How to make your own Hummers food.

* What types of Hummingbird feeders should I use?

* Where should I hang the feeders?

* How to stop insects from getting into the feeders.

* I heard that I could attract hummingbirds with Water.

* How to photograph the Hummers. Here is your link. A Great source to own!

Hummingbird

With the exception of insects, hummers while in flight have the highest metabolism of all animals, a necessity in order to support the rapid beating of their wings. Their heart rate can reach as high as 1,260 beats per minute, a rate once measured in a Blue-throated Hummer.

They also consume more than their own weight in nectar each day, and to do so they must visit hundreds of flowers daily. Hummingbirds are continuously hours away from starving to death, and are able to store just enough energy to survive overnight.

Hummingbirds are capable of slowing down their metabolism at night, or any other time food is not readily available. They enter a hibernation-like state known as torpor. During torpor, the heart rate and rate of breathing are both slowed dramatically (the heart rate to roughly 50–180 beats per minute),reducing the need for food. Here at back to basics we have many hummers around, they even startle us at times, but we just keep caring for them, their wonderful.

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Attracting Hummers

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The dynamic range of metabolic rates in hummers requires a corresponding dynamic range in kidney function. The glomerulusis a cluster of capillaries in the nephrons of the kidney which removes certain substances from the blood, like a filtration mechanism. The rate at which blood is processed is called the glomerular filtration rate (GFR). Most often these fluids are reabsorbed by the kidneys. During torpor, to prevent dehydration, the GFR slows, preserving necessities for the body such as glucose, water and salts. GFR also slows when a bird is undergoing water deprivation. The interruption of GFR is a survival and physiological mechanism unique to hummers.

Studies of hummingbirds' metabolisms are highly relevant to the question of how a migrating Ruby-throated Hummer can cross 800 km (500 mi) of the Gulf of Mexico on a nonstop flight, as field observations suggest it does.

This hummer, like other birds preparing to migrate, stores up fat to serve as fuel, thereby augmenting its weight by as much as 100 percent and hence increasing the bird's potential flying time.

Hummingbirds are found natively in the Americas, from southern Alaska to Tierra del Fuego, including the Caribbean. The majority of species occur in tropical and subtropical Central and South America, but several species also breed in temperate areas. Only the migratory Ruby-throated Hummer breeds in continental North America east of the Mississippi River and Great Lakes. The Black-chinned Hummer, its close relative and another migrant, is the most widespread and common species in thewestern United States, while the Rufous Hummer is the most widespread species in western Canada.

Most hummingbirds of the U.S. and Canada migrate south in fall to spend the winter in northern Mexico or Central America. A few southern South American species also move to the tropics in the southern winter.

A few species are year-round residents in the warmer coastal and interior desert regions. Among these is Anna's Hummer, a common resident from southern California inland to southern Arizona and north to southwestern British Columbia.

The Rufous Hummer is one of several species that breed in western North America and are wintering in increasing numbers in the southeastern United States, rather than in tropical Mexico.

Thanks in part to artificial feeders and winter-blooming gardens, hummingbirds formerly considered doomed by faulty navigational instincts are surviving northern winters and even returning to the same gardens year after year.

Individuals that survive winters in the north, however, may have altered internal navigation instincts that could be passed on to their offspring. The Rufous Hummer nests farther north than any other species and must tolerate temperatures below freezing on its breeding grounds. This cold hardiness enables it to survivetemperatures well below freezing, provided that adequate shelter and feeders are available.More about hummers later.

Did You Know?

The unique properties of silk allow the nest to expand with the growing young. Two white eggs are laid which, despite being the smallest of all bird eggs, are in fact large relative to the hummingbird's adult size. Incubation lasts 12 to 19 days, depending on species, ambient temperature, and female attentiveness to the nest. Their mother feeds the nestlings on small arthropods and nectar by inserting her bill into the open mouth of a nestling and regurgitating the food into its crop.

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