Sentences with phrase «with egg clutches»

We discovered that nucleosomes are arranged into discrete groups, which we called «nucleosome clutches» (as an analogy with egg clutches).

Not exact matches

Like covering the clutch of eggs with feathers to protect them while she takes one of her brief breaks.And the «brood patch» of down that she plucked from her own belly to keep the eggs warmer (through direct contact with her skin).

They nest high in the canopy with a clutch size of one or two eggs.

Ease tender gums with this chicken and egg - themed clutching toy!

The researchers compared egg shape with lots of data about each bird species, but found no correlation with clutch size, environmental factors or nest characteristics.

No doubt some dinosaurs, weighing several dozen metric tons, could not lie on their eggs to incubate them, but they may have used other external heat sources, for example by covering their clutch with a mound of plant matter, which would have provided heat as it decomposed.

«The fact that we see a full clutch of unhatched turkey eggs, along with other juvenile and adult turkey bones nearby, tells us that these birds were domesticated,» says Feinman.

A study in the journal Science looked at bones from dinosaurs found with clutches of eggs, and found that the caretakers appear to be male.

One Komodo, named Flora, lives at the Chester Zoo in England and has never been kept with a male; yet a few months ago she laid a clutch of 11 eggs, eight of which seem to be developing normally and may hatch as soon as January.

For her thesis, Warkentin caged cat - eyed snakes (Leptodeira annulata) with clutches of 5 - day - old frog eggs and found that the embryos could hatch to escape.

Other females may also choose to mate with the male frog and deposit egg clutches in the bamboo.

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.

The temperature - difference mechanism for sex determination found in alligators and turtles depends on eggs being left in unattended nests, typically sun - warmed, with clutches large enough to have a marked temperature gradient across them.

On a farm at the foot of Claw Mountain, Arlo and his brother Buck (Marcus Scribner) and his sister Libby (Maleah Padilla) are born from the same clutch of eggs, with Arlo being from the unusually big egg, but ending up being not only the runt of this litter, but most fearful.

While leopard geckos have smaller clutches of eggs, they can be bred year round, and this has allowed them to keep pace with the others on this list.

The female lays one to three eggs with a usual clutch size of two eggs.

The five eggs in two remaining clutches at Malibu Lagoon and Dockweiler beach are «viable,» Dellith said, and surrounded with protective fencing.

Phoebe usually lays four to five clutches per season, with two eggs per clutch.

Not only did every female mate with an average of 1.4 males, but genetic tests showed that no two clutches of eggs came from the same male.