Sentences with phrase «egg mass»

"Egg mass" refers to a group or cluster of eggs that are laid together, usually by insects, amphibians, or other animals. It is a term used to describe a bunch of eggs that are laid in close proximity or even attached to each other. Full definition
Get a glimpse of biologists counting egg masses of the threatened California red - legged frog, as they monitor efforts to restore habitat for the frogs and their predator, the endangered San Francisco garter snake.
Instead, they analyzed reproduction rates by counting egg masses in spring pools to determine where the amphibian's populations were growing or declining — trying to determine how each population was responding to year - to - year differences in climate.
William E. Wallner Thomas L. Ellis - Olfactory Detection of Gypsy Moth Pheromone and Egg Masses by Domestic Canines - Environmental Entomology, Volume 5, Issue 1, 1 February 1976, Pages 183 — 186 February 1976
Another Glassy - Winged Sharpshooter Egg Mass Discovered in Napa: For the second time this spring, the Napa County Agricultural Commissioner's Office discovered a viable glassy - winged sharpshooter egg mass during a plant shipment inspection, the county announced Friday...
The authors of this particular study proposed a statistically rigorous approach to infer nest type based on large datasets of eggshell porosity and egg mass compiled for over 120 extant archosaur species and 29 extinct archosaur taxa.
Second, our ticks are wild caught at the adult stage but lab - reared from egg mass to nymphs, so with the absence of transovarial transmission, any occurrence (very rare in Louisiana) in adults would not be passed on to progeny.
Protection Santa Barbara Zoo staff place an exclosure around a red - legged frog egg mass to protect it from predation by invasive species.
If you watch and wait long enough, they «aerate» the eggs by flushing water in and out of their mouths, sometimes requiring stray egg mass to be re-captured like in this shot at Fairy Bower, Manly [Australia].
Using their novel experimental design, Wyneken and study collaborators Sarah L. Milton, Ph.D., an associate professor of biological sciences at FAU, Itzel Sifuentes - Romero, Ph.D., a Fulbright postdoctoral fellow at FAU, and Boris M. Tezak, a Ph.D. candidate at FAU, found differences in developmental rates, egg mass and sex ratios.
For the study, the researchers incubated eggs from the Trachemys scripta elegans, a semi-aquatic turtle, under different temperature and moisture regimes to study the effect of the two environmental factors on developmental rate, egg mass, embryo mass and length, and sex ratio.
The female lays an egg mass where the embryos develop and hatch as larvae within five days.
InMissouri in the 1870s, the egg masses of Rocky Mountain locusts lay sothick in the beds of rivers and creeks that authorities offered afive - dollar bounty per bushel of them.
Amphibian egg masses contain anywhere from 600 to 1,200 embryos, and wood frogs may deposit over 50 egg masses in a single vernal pool.
They steadfastly guard their egg masses against all comers.
They are guarded by both parents who wrap themselves around the egg mass for protection.
This winter biologists are hard at work monitoring the health of California red - legged frog populations by taking inventory of their egg masses.
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