Sentences with phrase «birds laying eggs»

The term «cage - safe» was coined to describe birds laying eggs in cages.

And while other factors — like where birds lay their eggs and how many they lay at once — weren't significantly related to egg shape across birds as a whole, they could be important within certain branches of the bird family tree.

Rescue groups take on pregnant moms, birds lay eggs or may become egg bound (whether the eggs are fertile or not), farm cats deliver in your barn, veterinary clinics manage pregnancies, deliveries, and c - sections... Even the humans in the home may have a baby someday!

Not exact matches

We watched the mother bird build the nest, then looked in after she laid the eggs.

Evolution occurs when the offspring differ from the parent's genetics, so a bird that was almost a chicken laid an egg with the genes for the «first» chicken.

Chickens also have a pecking order, and if a fight breaks out among floor birds, the loser of a chicken fight can undergo an involuntary change of career from laying eggs to becoming someone's dinner.

In a separate development, free range egg producers are threatening to go to the ACCC if the Egg Corporation persists in allowing free range farmers to run as many as 20,000 laying birds per hectare, the equivalent of two birds a square metegg producers are threatening to go to the ACCC if the Egg Corporation persists in allowing free range farmers to run as many as 20,000 laying birds per hectare, the equivalent of two birds a square metEgg Corporation persists in allowing free range farmers to run as many as 20,000 laying birds per hectare, the equivalent of two birds a square metre.

As a result of the bird flu in 2015, many facilities were forced to get rid of egg laying hens.

Though it is in evidence at other times, the bird is a secretive nester, laying its eggs, hatching and rearing its chicks in riverbank burrows.

The European Cuckoo, for example, lays her eggs in another bird's nest.

Birds are kept in cramped and overcrowded conditions, in which they are unable to perform natural behaviours such as scratching and dust - bathing; they are frequently «debeaked» in order to prevent fighting and self - harm; they are denied darkness and food in order to encourage constant egg - laying; and conditions in sheds can be unhygienic, with hens living amongst dead birds and faBirds are kept in cramped and overcrowded conditions, in which they are unable to perform natural behaviours such as scratching and dust - bathing; they are frequently «debeaked» in order to prevent fighting and self - harm; they are denied darkness and food in order to encourage constant egg - laying; and conditions in sheds can be unhygienic, with hens living amongst dead birds and fabirds and faeces.

Major infections of more than 100 mites per bird make hens lay 2 to 4 percent fewer eggs on average.

Medullary bone is only found in female birds, and then only during the period before or during egg laying.

The tamer birds grew faster, laid larger eggs, and were bossier than their more fearful counterparts.

These birds are considered brood parasites because they lay eggs into the nests of other birds and throw out the host's eggs to ensure there is no competition for food from the adoptive parents.

Specifically, some previous research has shown that wading bird nesting colonies could provide substantial food for alligators in the form of dropped chicks, which are chicks ejected from the nest when a bird lays more eggs than they can raise.

Latecomers kick up eggs that were laid just days earlier, creating a feast for crabs, birds, racoons — and the local population of hide beetles.

In regions with less stable climates, females were laying more eggs that lacked their spouse's DNA, and birds were swapping mates more often between breeding seasons.

Carson reported that birds ingesting DDT tended to lay thin - shelled eggs which would in turn break prematurely in the nest, resulting in marked population declines.

A new study has cracked the mystery: The nannies apparently allow mother birds to save their strength so they can lay eggs later on.

Like cuckoos, African indigobirds lay their eggs in the nests of other birds.

Birds that eventually rejected parasite eggs still laid an average - sized clutch of their own — even though the alien eggs remained at the top of the nest for several critical days before being buried.

Female cowbirds were better off laying their eggs in forest nests: Cowbirds that laid eggs in fields averaged only five fledglings, she estimated, whereas those that laid eggs in forest birds» nests ended up with 12.7 fledglings.

The brown - headed cowbird is a so - called brood parasite that lays its eggs in other birds» nests, thereby letting other species do all the heavy lifting of chick rearing.

Then he looks for families that lay the greatest number of eggs, rather than individual birds that perform well.

These odd birds spy on how many eggs tits lay; the more eggs, the better the habitat.

Though the exact function of TSHR is unknown, it may be linked to the domestic chicken's ability to lay eggs year - round — a trait that Red Junglefowl and other wild birds don't have.

Building a nest, laying and incubating eggs and taking care of a hungry brood are very demanding on birds» energy budgets, so it is obviously in their interests to ensure that the young they are caring for are their own.

She will then begin to lay her eggs and sit on them like a bird.»

Some modern birds lay colourful eggs, but now we know it's a trick their dinosaur ancestors used too

Several approaches may be needed, such as introducing fly - parasitizing wasps, removing chicks from nests for hand - rearing, raising sterile male flies to mate with females so they can't lay eggs in finch nests, and using insecticides, including placing pesticide - treated cotton balls where birds can collect them to self - fumigate their nests.

All the birds in cages that produce lots of eggs — regardless of which individuals are doing the egg - laying — get to reproduce and pass on their genes to the next generation.

«To maintain sleek and streamlined bodies for flight, birds appear to lay eggs that are more asymmetric or elliptical.

The results suggest that the early birds from the Mesozoic (252 to 66 million years» ago) laid eggs that had different shapes to those of modern birds.

The researchers looked at correlations between egg shape and traits associated with the species of bird, including nest type and location, clutch size (the number of eggs laid at a time), diet and flight ability.

(Birds often contract clamydia when eggs touch the mother's fecal material during egg - laying.)

The parasitic nest fly (Philornis downsi), which looks similar to a typical house fly, lays its eggs in the nests of Darwin's finches — the 15 species of bird on the Galápagos that helped inspire the famed biologist to formulate his ideas about natural selection.

New research shows that cuckoos have striped or «barred» feathers that resemble local birds of prey, such as sparrowhawks, that may be used to frighten birds into briefly fleeing their nest in order to lay their parasitic eggs.

Most birds today lay eggs with strong, hard shells.

The pair looked at fossils of 21 ancient bird species and estimated the size of egg they could have comfortably laid, and their body weight.

This occurs more frequently in young birds approaching their peak laying, but it is unusual to find them in standard eggs graded for sale because double - yolkers are usually removed and sold for special culinary purposes.

Females usually lay only two eggs, but in 1979, Merton found that if it loses a clutch, it will try again, so the birds have the potential to produce many more offspring than they actually do.

«It is particularly bad for urban birds during the breeding season when they are torn between allocating resources towards fighting the toxic effects of pollution or towards laying healthy eggs, both of which aren't helped by their poor diet.»

If all goes well, when the embryo grows up, it has the gonads of the extinct bird and will lay some eggs carrying the traits of the extinct animal.)

Spring has been arriving earlier, influencing the timing of bird and fish migration, egg laying, leaves appearing on trees, and spring planting for agriculture and forestry.

A bird built her nest and laid eggs (awe, cute), then pooped all over the new $ 50 wreath I hung up earlier this year (less cute).

My Mother had birds that laid eggs and hatched babies and then the mother threw the babies out of the nest one by one and killed them all.

WNBA superstar Sue Bird publicly announced that she was gay and dating Seattle Reign and USWNT star soccer player Megan Rapinoe in an article Birds (Aves) are a group of endothermic vertebrates, characterised by feathers, toothless beaked jaws, the laying of hard - shelled eggs, a high metabolic

The original pair of birds will lay between 4 and 16 eggs (according to the dice outcome described), and each egg is then submitted to the chances of nature as it struggles to hatch, develop and reach adulthood.

If you have a female bird, nature requires her to lay an egg now and then, but it doesn't necessarily mean you're going to see a baby bird or that the egg will hatch.