What are the adaptations of a bird?

Answer 1

He noticed that birds called finches had different kinds of beaks in areas with different food sources. He found finches with thick beaks in areas with large hard shelled nuts, and finches with smaller beaks in areas where fruits were available. These differences seemed to match the environment and the diet of the finches.

Answer 2

HERBIVOROUS BIRDS

Herbivorous birds do not have teeth to grind up the vegetation they eat. Teeth would make their skulls too heavy and make flight difficult. Instead, a part of their digestive system, called the crop, contains stones, which grind up the plant material they eat.(Birds grind plant material or crush seeds using their beaks and gizzards.)

Two unusual internal organs help birds to process food. The gizzard, which is part of a bird's stomach, has thick muscular walls with hard inner ridges. It is capable of crushing large seeds and even shellfish. Some seed-eating birds swallow small stones so that the gizzard will grind food more efficiently. Birds that feed on nectar and soft fruit have poorly developed gizzards. Many herbivorous birds feed protein-rich animal material to their growing young. Herbivorous birds exhibit lower basal metabolic rate (BMR) than expected based on body mass

CARNIVOUROUS BIRDS

Meat-eating birds like hawks and owls have keen eyesight that makes it easier for them to spot prey. They have sharp talons to catch prey and curved beaks to tear up meat. All of these adaptations help these carnivorous birds catch and eat their prey.

The digestive systems of carnivorous birds (such as hawks and eagles), like their mammalian counterparts do not have compartments adapted for microbial fermentation. Indigestive potions of prey such as; fur, feathers, bones, shells, fines, scales and exoskeletons may be separated from more digestible portions by the beak. Sometimes this separation is accomplished in the gizzard. It Seems the need of nutrition of carnivorous birds are similar to carnivore mammals, with adjustments for differences in reproductive strategy.






OMNIVOROUS BIRDSBecause they will eat plants and animals, omnivores survive well in many environments. Omnivorous birds sometimes behave like pirates and steal food from other birds Omnivorous birds are gregarious in their habitats, with the single exception of the breeding season, while some in single pairs seek solitary situations, while others build their nests in sociable connection and form a common community for each others protection.When in confinement, they soon become thoroughly domesticated and familiar, and from their character, easily supplied with food, which in a wild state is composed of seeds(all kinds), insects, worms and frequently grains and fruits.


BIBLIOGRAPHYwww.pnas.org/content/104/48/19132.fullwww.nhptv.org/NatureWorks/nwep10a.htmwww.springerlink.com/index/K3P4M0P086Q86780.pdfwww.en.wikipedia.org/wiki/Antipredator_

www.faqs.org/.../Adaptations-to-and-consequences-of-an-herbivorous-diet-in-grouse-and-waterfowl.html

www.homeschoolblogger.com

www.pubmedcentral.nih.gov/articlerender.fcgi?artid=2464707

www.absoluteastronomy.com/topics/Omnivore

Answer 3

The beaks changed shape to get more suited for whatever it was that was the best feed available where they were. If they ate mostly nuts that needed to be cracked they got shorter, stronger beaks.

Answer 4

Birds have adapted to many environments and conditions so their adaptations are fairly specific, as an example the adaptations of penguins to swim and those of eagles to fly are different. However most birds have the following features:

• they are covered with feathers for streamlining, flight, or courtship display
• they lay eggs which are cared for by the adult birds until they hatch
• they make nests or similar features to hold their eggs
• they care for their young
• they are warm blooded

Answer 5

Galapagos finches, also known as Darwin's finches, are only found on the Galapagos Islands in the Pacific. They were first recorded by Charles Darwin and his observations of the birds helped him with his theories on evolution. The specific adaptation he noted in the finches was that one group whose food source was hard nuts had sharp beaks. Another group whose food was fruit had smaller beaks. These observations led him to the belief that the birds had evolved different characteristics to match their food sources.

Answer 6

They inhabit salt marshes, but they forage extensively in the tidal mud for food. Darker and rustier plummer helps them hide from predators.

Answer 7

A bird's adaptations include its feathers to fly for escaping enemies and to find another one is its beak for catching worms or to pick up sticks to craft a nest.

Answer 8

there are 4 main categories for the finches: the parrot like billed finches, the Grasping billed finches, the Probing billed finch and the Crushing billed finch.

Answer 9

It has a beak designed for crackuing nuts

Answer 10

They inhabit salt marshes, but they forage extensively in the

tidal mud for food. Darker and rustier plummer helps them hide from

predators.