Increased predation affects the survival of nests and broods immediately after hatching, when the chance of total loss is highest. |
|
The developmental mode of polychaetes is characterized by the production at hatching of an initially unsegmented trochophore larva. |
|
Small eggs may jeopardize survival for precocial grouse chicks that rely extensively on nutrient stores after hatching. |
|
Not because they drink water, but because the state of mind which makes them dread alcohol is unpropitious to the hatching of any generous idea. |
|
We got beetles hatching in the necks of Chinese basses and museum beetles munching on the bow hair. |
|
Over the course of a week, animals were observed for internal hatching of unlaid eggs. |
|
Both parents remain with broods for several weeks following hatching of the precocial young. |
|
There were mayfly still hatching around Oughterard and Cornamona, and dapping produced a few fish. |
|
Prune gall wasp out of citrus trees before September to prevent eggs from hatching. |
|
After hatching, they invade into the body cavity and become cysticercoid larvae, which are infectious for humans. |
|
After hatching, parents led the cygnets to feeding grounds on lawns surrounding the lake or shallow water close to the shore. |
|
Some, such as the yellow mud turtle, burrow deeper into the soil shortly after hatching, finding safety below the frost line. |
|
I gave them handouts on texture examples that included hatching, cross-hatching, stippling, small circles, scales, scribble texture and more. |
|
The net needed to be extended by two more kilometres to cover the entire area of hatching, he felt. |
|
Dial also compared birds at the same day of development, seven days after hatching, but with different lengths of flight feather removed. |
|
The two study plots were checked regularly to determine date of egg laying, clutch size, hatching date, and number of fledged young. |
|
They often doubt each other's intentions and accuse each other of hatching conspiracies. |
|
In some of the experiments eggs obtained from the infected females were conditioned for 30 days prior to hatching. |
|
In field crickets, an increased number of partners resulted in increased hatching success. |
|
DiDonna inflects the field between the two columns with an ink hatching of fine strokes that infiltrates the column to the right. |
|
|
Females were trapped during the last days of the incubation period or just after hatching, whereas males were trapped just after hatching. |
|
Hence, the high rate of hatching failure in bee-eaters requires explanation. |
|
Scientists report that even hatching cobras, such as this red Mozambique cobra, instinctively aim and spit at a perceived predator's eyes. |
|
We collected clutches, incubated the eggs, and took blood samples from hatching young. |
|
The bluethroat is a small passerine with moderate asynchronous hatching, typical of many passerine birds. |
|
Aside from parasitism, the only other mortality I observed was due to hatching failure. |
|
Now is the hatching time at Abbotsbury Swannery, the oldest swannery in the world. |
|
Jo Body, of High Road, Benfleet, was horror-struck when she found the black hairy beasts hatching from chrysalises on her neighbour's tree. |
|
The regulation of hatching behavior in oviparous animals is important for successful reproduction, but is poorly understood. |
|
Our two major species overwinter as eggs in the soil, hatching in early June to feed on corn roots. |
|
These works, made of painted and patinated bronze, again employ bold black outlines, primary colors and hatching. |
|
In the remaining time before hatching, eyes develop from the optic vesicles, and the inner ear develops from the otic vesicles. |
|
However, the cavefish eye seems to develop normally up to about the hatching stage, forming a lens and optic cup. |
|
The Oriental theme is continued in the strapwork with hatching, imitating the border on blue-and-white Chinese export porcelain. |
|
The alternative manner of providing a head of pheasants for a preserve is by hatching their eggs under fowls and rearing the progeny by hand. |
|
Nests were revisited on the expected hatch day and every 3 days after hatching to assess nest success and nestling survival. |
|
They are in cahoots together, hatching a plan to take Daniel down with the help of a young, top-notch karate champ. |
|
Crocodiles and birds assist their young by hatching them, feeding them, providing warmth and shelter, and protecting them from predators. |
|
It takes several weeks after hatching to form and until then they are dependent on water absorbed through the gills, the same as any other fish. |
|
I checked nests at least weekly and usually daily around the supposed time of laying and hatching. |
|
|
Vehicle treatment alone does not stimulate hatching, as vehicle-treated eggs hatched before untreated eggs in only 3 of 10 clutches. |
|
Beds of nettles are slashed to the ground when the caterpillars of red admiral and other butterflies are hatching for next year's generation. |
|
He spends all of his waking hours hatching schemes to catch the thief red-handed. |
|
Note that the definition of nesting success includes the effects of both nest predation and hatching success. |
|
Nestlings were counted on the expected day of hatching, and on one or two consecutive days until the last egg hatched. |
|
The young leave the nest within a day of hatching and follow their parents out into the marsh. |
|
One to three days after hatching, the young leave the nest and hide in nearby cover. |
|
After hatching, the altricial nestlings are brooded for 1 to 2 weeks depending on the weather. |
|
An increased laying interval would create a large hatching interval for last-born chicks with potential negative effects on their survival. |
|
We found nests during incubation, and estimated the hatching date by candling eggs. |
|
Within a few hours of hatching, the 8 to 9 ducklings leave the nest with the female to look for their own food. |
|
He also suggested larger warning signs, the cross hatching of the left hand lane and better lighting on the approaches to major junctions. |
|
Could it be that they are hatching a major roaming deal with the telecommunications company? |
|
Eggs were candled to determine stage of incubation and to estimate hatching dates. |
|
Within a few hours after hatching, lizards were individually measured and toe clipped. |
|
We are seeing root feeding from root worms, some of which are nearing maturity, while some are still hatching. |
|
It dwells on details that are so ordinary and so common that in this rudimentariness can be seen the outlines of a culture hatching. |
|
Indeed, in our study population, hatching asynchrony was higher in a warmer year than in an average year. |
|
The function of hatching asynchrony has been the subject of dynamic debates and intensive research effort. |
|
Just before hatching, the spots disappear, the ground colour becomes pale lemon yellow, and the shell is luteous. |
|
|
Inside the pouch, the tadpoles live on the yolk leftover from their hatching. |
|
We will be acclimating hatching crocodiles to varying salinities, from fresh water to full-strength seawater. |
|
To illustrate, consider a nest found during the incubation stage and that candling of the eggs revealed they were close to hatching. |
|
Nest initiation dates were estimated by candling incubating nests and assuming an incubation period of 24 to 26 days for hatching nests. |
|
The spiderlings of the horned baboon spider only commence moving about 50 days after hatching. |
|
Instead, I put either baby oil or petroleum jelly on the eggs, which prevents them from hatching. |
|
Eggs hatching from diapause introduce to current environments species or genotypes laid at times in the distant past. |
|
The hatching success in the Manx shearwaters is strongly determined by the incidence of rainfall during the incubation period. |
|
These extended and late hatching periods suggest the need for continued scouting for grasshoppers in pastures and areas adjacent to cropland. |
|
At hatching, chicks are covered in down, cannot feed or defend themselves, are unable to thermoregulate well, and are nest-bound. |
|
Treatments began on 28 July, later than in the 1996 experiment because nymphal hatching was delayed. |
|
After hatching, the juveniles prefer shallow inshore waters as their nursery until they are big enough to brave the open ocean. |
|
The male fasts while incubating for 60 days till the female returns at hatching time. |
|
On hatching, the larvae very quickly burrow into the orange and are then essentially inaccessible. |
|
Lines are often bold and thick, and the tight, even hatching sometimes dissolves in to smooth gradations of shadow. |
|
However, the mild weather during late winter and early spring has resulted in the early hatching of over-wintered Nematodirus eggs. |
|
The bills of young birds are not crossed at hatching, but cross as they grow. |
|
Development time includes the period of larval growth from hatching to pupation. |
|
Yesterday he vehemently denied deliberately hatching the elaborate scheme to trick Mrs Fretwell out of her home. |
|
Upon hatching, the larvae burrow into the seed, where they complete development, pupate, and emerge as adults. |
|
|
The fertilised eggs are slightly buoyant and rise towards the surface where they drift for around 12 days before hatching. |
|
The removal experiment confirmed the causality in this relationship between female presence and hatching success. |
|
Morphometric studies were carried out on the chick nodose ganglion between day 5 of incubation and 2 weeks after hatching. |
|
Once hatched, females return to their hatching beach every few years to deposit eggs. |
|
Incubation lasts 10 to 15 days and the altricial chicks are brooded for about 5 to 6 days after hatching. |
|
The female builds the nest and incubates and broods alone, but both parents feed the chicks, which fledge within 14-16 days of hatching. |
|
We checked all tagged nests daily to record laying dates of the eggs, clutch size, hatching dates, number of hatchlings, and number of fledglings. |
|
I've tried hard to fall for Oxford, but during each visit I find myself hatching an exit strategy. |
|
Upon hatching, the mantids must have live food every 2-3 days. |
|
Marked females exhibited a bimodal distribution of guarding durations, reflecting the extreme tactics of immediate abandonment or remaining through hatching. |
|
Young chicks are brooded for an unknown period of time after hatching. |
|
The rise in temperature has certainly put nature in a tizzy and there are many reports, not just of birds hatching, but of trees, and shrubs budding and flowers blooming. |
|
Chicks are nidifugous and feed themselves shortly after hatching. |
|
A reptile hatching from an egg must not cry out for its mother, or else it will be readily detected by predators and eaten. |
|
On today's large-scale chicken farms, for example, mass production depends on removing the eggs as soon as they are laid, then hatching them in incubators. |
|
This was a necessary condition, as most vital functions must have been operative shortly after hatching, which may have coincided with the onset of calcification. |
|
By 10-11 days after hatching, young gar begin feeding on small crustaceans, such as cladocerans and copepods, and insects, including various dipterans such as chironomids. |
|
Cowbird nestlings were placed into nests prior to the hatching of host nestlings to simulate the shorter incubation periods characteristic of parasitic species. |
|
Nestlings fledge three to eight weeks after hatching, and are dependent on the parents for supplemental food for several days to weeks after fledging. |
|
These chemicals prevented normal calcium deposition during eggshell formation, and caused females to lay thin-shelled eggs that often broke before hatching. |
|
|
After hatching, the larvae grow for three or four weeks and then pupate. |
|
Many of the insects that go into diapause are eggs and pupae awaiting the arrival of spring and its bounty of food before hatching into adults, Holscher said. |
|
Active individuals only reappear in the water column in autumn when diapausing eggs begin hatching in autumn after fish predation intensity declines. |
|
On hatching of eggs, the grubs feed on soft tissues inside the trunk. |
|
The money raised will go toward an ongoing classroom project, such as owl pellets, butterfly hatching, ant farms and other enrichment activities. |
|
The eggs are incubated for 19 to 25 days, the chicks can fly after 12 to 13 days after hatching and are fully grown after 30 to 35 days. |
|
While other sea turtle species almost always return to their hatching beach, leatherbacks may choose another beach within the region. |
|
On hatching, the chicks scramble to the surface and head bush on their own. |
|
Salmon fry hatching, where the salmon fry has grown around the remains of the yolk. |
|
This means that, by the time hatching occurs, it may be too late for the females to take part in that year's breeding cycle. |
|
They also possess a swim bladder, and do not dwell on the bottom, instead dispersing from their hatching grounds as plankton. |
|
The hatching larvae then burrow through the soil towards the bulbs and consume their interiors. |
|
One week after the hatching, the young ruffe start to swim and feed actively, but they do not form schools at this age. |
|
Females and males take turns incubating the egg several times daily for a total of approximately 35 days before hatching occurs. |
|
Effects of three insecticide formulations in the removal and hatching of oothecae of Blatella germanica. |
|
As hatching nears, hens sit tighter on the nest and will only flush from the nest if disturbed in very close proximity. |
|
After this period, the hatching activity accelerates and the shell is broken apart in 35 hours. |
|
By hatching first, the cowbird gets a head start on feeding and becomes the biggest, grabbiest nestling. |
|
Sit around festering with hate, hatching plots against each other, until they dimwittedly bring about their own demise. |
|
Only nauplii that are attracted to the light at the top of the hatching tank should be collected, since these are the healthy ones. |
|
|
We then explore the use of lines for contouring, cross-hatching, hatching, and stippling to fill in the sections with patterns. |
|
The golden eagle chick may be heard from within the egg 15 hours before it begins hatching. |
|
If deadbeat dads among frogs shirk their parental duties, neglected egg clutches can respond by hatching early. |
|
With more than 70 display vivariums and an 8ft hatching rack, there are lots of interesting and unusual reptiles to catch your eye. |
|
It starts life by hatching as a tiny Cyberpet image on the screen on an egg-shaped key ring. |
|
Chicks fledge 42 to 46 days after hatching, and remain dependent on their parents for up to two months. |
|
Treat your house with sprays called Skoosh or Acclaim or Frontline Combo which kills fleas and stops their eggs hatching. |
|
A study on Kangaroo Island, South Australia, had an average time between hatching and fledging of 69 days. |
|
Genetic diversity, but not hatching success, is jointly affected by postglacial colonization and isolation in the threatened frog, Rana latastei. |
|
Somma demonstrated neonatal Northern Prairie Skinks were larger at hatching with increased levels of soil moisture. |
|
Fagan and Odell found that early hatching preying mantids also faced starvation due to insufficient alternative prey and were avid cannibals. |
|
Another stunning series shows a Common Raven stealing the second egg as it is hatching unattended by the adults. |
|
In real life, says a Democratic campaign aide, members of Congress are too nannied by staff to stride about hatching plots, one-on-one. |
|
Another widespread trait among modern birds is parental care for young after hatching. |
|
Selective basis for the evolution of variable egg and hatching size in some iguanid lizards. |
|
An electron microscopic study of the entodermal cells of the yolk sac of the chick during incubation and after hatching. |
|
House sparrows can breed in the breeding season immediately following their hatching, and sometimes attempt to do so. |
|
Young house sparrows are fed mostly on insects until about 15 days after hatching. |
|
The Cotswold Wildlife Park in Burford, Oxfordshire, said the Barbary Dove, a smaller, African pigeon, was now happily hatching their eggs. |
|
Ducks also tend to make a nest before breeding, and, after hatching, lead their ducklings to water. |
|
|
In 1966, VanHoof began hatching and raising his own breeding turkeys and now also supplies other New England farms with turkey poults. |
|
The young are precocial, being born with dark mottled down, and mobile upon hatching. |
|
Rotifers were observed in the stomach of larvae at three days after hatching, and Artemia spp. |
|
Like other sea turtles, green sea turtles migrate long distances between feeding grounds and hatching beaches. |
|
While the preferred diet of cuttlefish is crabs and fish, they feed on small shrimp shortly after hatching. |
|
Filmed continuously over three months, the reels show the mother laying eggs, the eggs hatching, and then later, the heart-stopping moments when her owlets fledge. |
|
Important developmental processes observed included cleavage, formation of a blastula, epiboly, gastrulation, neurulation, organogenesis, and hatching. |
|
We correct the previous erroneous identification of nephrocysts as eyespots in the hatching planktotrophic larvae of the nudibranchs Tritonia festiva and Janolus fuscus. |
|
Sand Martins and Swallows are more abundant, feeding on ies hatching from wetlands, with the latter checking out previous nest sites around farms. |
|
I've been on a loch and seen so many midges hatching that there was a one-foot wide tidal mark at the water's edge of discarded pupal cases or shucks. |
|
The relationship between onset of partial and steady incubation in passerines and the resulting extent of hatching asynchrony merits more consideration. |
|
With thinner shells, fewer falcon eggs survived to hatching. |
|
We compared hatching success, fledging success, clutch size, and predation rates of parasitized and non-parasitized Savannah Sparrows nests using the Students t-test. |
|
The incubation period of sixteen or seventeen days is followed by the hatching of altricial young which are brooded by the female alone for the next twelve to thirteen days. |
|
Chickens raised in this way are known as broilers, and genetic improvements have meant that they can be grown to slaughter weight within six or seven weeks of hatching. |
|
At the time of hatching, the young start calling within the eggs. |
|
It is possible that crocodiles use olfaction in the egg prior to hatching. |
|
On hatching, each larva is surrounded by an integumentary envelope and has a large, rounded head, fully formed fins, and eyes with double notches. |
|
As for Cersei, pretending to work with her enemies while secretly hatching some grander scheme was pretty much what I expected for the truce going into it. |
|
Ducklings can also be orphaned by inconsistent late hatching where a few eggs hatch after the mother has abandoned the nest and led her ducklings to water. |
|
|
The precocial chicks fledge in about four weeks after hatching. |
|
The Norwegian coastal waters are the most important spawning ground of the herring populations of the North Atlantic, and the hatching occurs in March. |
|
In consequence they may prefer to hunt the prey they saw before hatching. |
|
Caesar also, then hatching tyranny, injected the same scrupulous demurs. |
|
The hatchling develops a complete sheath 10 days after hatching. |
|
After hatching the chicks are dependent on getting warmed by the hen. |
|
At the same time they search for giant squids, or Kraken, in the deepest part of the Pacific Ocean, they're also taking care of hatching live dinosaurs. |
|
As I demonstrated hatching and cross-hatching, the students observed how the closer the hatching and cross-hatching lines are, the darker the value. |
|
This system must be suitable for the implementation of ICSI, and other treatments, such as polar body biopsy, Trophektodermbiopsie, laser-assisted hatching. |
|
They employ the hatching and cross-hatching techniques found in old copperplate engravings or the wood-block chiaroscuro prints typical of sixteenth-century graphics. |
|