Sentences with phrase «small bird species»

Small bird species, such as budgies, canaries, and finches, are good options for people who live in apartments or condominiums with limited space.
Perhaps the most popular small bird species, the Budgie or Parakeet is a small, colorful parrot species with an enormous amount of personality for their size.
Because wild relatives of the galliform chicken species are plentiful in Africa, this study required researchers to sift through the remnants of many small bird species to identify bones with the unique sizes and shapes that are characteristic of domestic chickens.
The list should include perches of different diameters (including swings and ladders), beak conditioners (and cuttlebones for smaller bird species), extra dishes (as many cages don't come with dishes that are large enough), litter or liners for the bottom and, maybe most importantly, toys.
Pet storeowners and managers may want to encourage interested employees to breed some of the smaller bird species.

Not exact matches

According to natural selection the members of the bird species with the smallest useless wing would be the most adaptable and most likely to survive in the largest numbers.
Not a food - gathering entrepreneur by nature, the current national bird prefers sponging off the efforts of smaller, more capable food - finding species whenever he can.
«We will be working together to deliver environmental water to smaller local wetland and floodplain sites to improve habitat and provide refuges for endangered and threatened native bird and fish species such as the Regent Parrot and the Murray Hardyhead,» Mr Reilly said.
Attracted to the brightly - colored pods, many species of African birds raided the small garden plots and then flew further inland, spreading the seeds and returning the chiles to the wild.
In 2011, four brothers — all under the age of 12 — started listing as many bird species as they could in a small notebook, creating the unofficial town birding club and a lifelong connection to the birds they observed.
Sparrows, doves, blackbirds and all sorts of other small and medium bird species will flock to this feeder.
That is one of the surprising results of the first study to systematically measure the number of neurons in the brains of more than two dozen species of birds ranging in size from the tiny zebra finch to the six - foot - tall emu, which found that they consistently have more neurons packed into their small brains than are stuffed into mammalian or even primate brains of the same mass.
Over time, as much as 70 percent of bird species disappeared from the smallest fragments.
Warmer winters, wetter and earlier springs (which expand the time during which ticks can pick up the disease), increased humidity, and greener environments can all contribute to the increased incidence of ticks and the growing populations of hosts, including large mammals like white - tailed deer; smaller ones such as white - footed mice, the principal carrier of Lyme disease; and many species of birds.
Galápagos cormorants (Phalacrocorax harrisi) are the only cormorant species with wings too small to lift the birds» large bodies off the ground.
Unlike many bird species that are now extinct on the Earth's small islands, the Eastern Bluebird and the Hispaniolan Crossbill disappeared long before the first people arrived, uncoupling their extinction from human actions, such as the introduction of new predators and habitat loss for agricultural use.
«We show that dense - wooded, large - seeded Amazonian tree species are replaced by light - wooded trees that produce smaller seeds, which continue to be dispersed in overhunted forests by more resilient smaller mammal and bird species
The authors» analysis suggests that newly discovered birds are more likely than older, well - known species to be naturally rare and have small ranges.
The OSU team used motion - triggered cameras to record bears, birds and small mammals eating red berries of devil's club, and retrieved DNA in saliva left on berry stalks to identify the species and sex of the bears.
The brains of 48 species of birds around Chernobyl have been found to be 5 percent smaller than average due to radiation - caused oxidative stress, possibly decreasing cognitive activity.
Only for a small bird called the Forbes» snipe could de-extinction potentially be a boon to other species.
The brains of migratory birds tend to be smaller than those of similar - sized species that do not migrate.
Many bird species have already been getting smaller over the past few decades.
An even bigger problem, he says, is that competitive displays by male birds seeking to mate with females are «only observed in a small number of species around the world.»
There are countless examples of how global warming is affecting life, from plants flowering earlier in spring, to species spreading to areas that were once too cold for them to survive, to birds becoming smaller.
The area is rich with animal skeletons, and they estimate there are at least 13 different species of dinosaur present based on teeth and other remains, plus birds, small mammals and some fish.
Some tarantulas succeed in occasionally capturing small birds, small mammals such as mice, and even small fish, but their ordinary prey consists of insects such as crickets (for ground dwellers) and moths (for arboreal species).
We showed that the wakes of a small bat species differ from those of birds in some important respects.
Smaller birds sometimes nest near larger species to benefit from their more aggressive defense against predators.
A tiny barbet - like bird from the Lower Oligocene of Germany: The smallest species and earliest substantial fossil record of the Pici (woodpeckers and allies)
Comparing successful and unsuccessful invaders, he found that in both birds and mammals, big - brained species are more likely to be successful than are small - brained ones (pdf).
So small in fact, that it is the smallest member of the Passeriformes, or perching birds, an order that encompasses more than half of all bird species including sparrows, finches and chickadees.
Female burying beetles — which belong to the species Nicrophorus vespilloides — routinely fight over the carcasses of small birds and rodents, which they use to provide their young with food.
These imported species now constitute a new potential threat to hummingbirds and small passerine birds.
In the new paper the researchers studied the conspicuous wing coloration of two species of damselflies, which are predated by birds and prey on small flies.
However, it has now been shown that such windows are not likely to work for all species, but only for birds like small passerines, gulls and parrots, who have a special type of colour vision.
The defrosting is likely to have a cascading effect, concentrating migratory birds that feed at the freshwater lakes into smaller areas and making some species more vulnerable to predators like foxes.
Unable to compete with the bigger bird, the smaller species instead evolved a smaller beak to specialize in smaller seeds — all in about 20 years.
«We show that there are always the same few common species in small, isolated secondary forest fragments, so each time you go to another piece of forest, you will encounter the same common birds, a phenomenon called biotic homogenisation.
The team designed what they call «part - based one - vs - one features,» or POOFs, each of which classifies birds of just two species, based on a small part of the body of the bird.
Golden eagles, like most birds, will breed only with their own species, the result being a third, smaller golden eagle that can be diagnosed as such from a distance by checking off a short, satisfying list of physical identifiers.
Every species on the route that would lead to birds was smaller than the one before it, the team found.
Some of the birdstrike species are known to consume small mammals, other birds, and fish, so the 16S rRNA gene was targeted for mammal and fish and the 12S rRNA region was targeted for detection of bird species.
Pet stores can attest to this diminishing supply, and the same can be said for several species of fish, birds and small animals.
Whitton also keeps all the larger birds out on java tree branches so customers can interact with them freely, while the smaller parrot species, such as conures and cockatiels, are kept in a petting bin up front.
Note that the food should be cut up for smaller species of birds so they can eat it easily.
Larger parrot species need to have thicker cage bars because they have strong beaks and can break the thinner bars used for smaller bird cages easily, leading to escape or injury.
Store personnel should be sure to point out which cages will work for the bird species being housed and never allow customers to buy a cage too small, or with the wrong bar spacing or strength.
Today there are ordinances being debated to restrict the sale of puppies, kittens, small animals, birds, reptiles and several species of fish.
For example, it is generally best to let birds choose their own mates, although the smaller parrots like parakeets and cockatiels, along with many finch species, are easier to pair up than larger parrots.
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