Sentences with phrase «egg clutches»

Tatar wanted to probe what regulates egg clutch size in the medfly.

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

They collected Agalychnis callidryas egg clutches, still on their leaves, from Panama and exposed them to either vibrations at frequencies lower than 100 hertz, which are typical of snake attacks, or rain - like recordings which varied between 0 and 500 hertz.

Karen M. Warkentin of Boston University and the Smithsonian Tropical Research Institute in Panama studied egg clutches located on the edge of Ocelot Pond in Panama to identify the circumstances under which embryos leave their clutch (the gelatinous mass deposited on a tree leaf) prematurely.

For the study, the researchers used pipe inspection cameras or endoscopes to observe frog egg clutches daily until all froglets and the attending father frogs left the spawning site.

They studied a total of over 40 egg clutches across two breeding seasons in 2015 and 2016.

Egg clutches dangle on the underside of leaves, then hatch, and the tadpoles drop into the water below.

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

They collected Agalychnis callidryas egg clutches, still on their leaves, from Panama and exposed them to either vibrations at frequencies lower than 100 hertz, which are typical of snake attacks, or rain - like...

One hypothetical menu: A bear in the «absolute worst condition» could subsist on about 2.5 egg clutches and a gosling or two a day, 47 or so flightless adult geese per season and a handful of caribou.

The duo attached accelerometers to egg clutches and recorded the vibrations when the eggs were attacked by snakes or pounded by rainstorms.

They discovered that the frog eggs were picking up on the pattern of vibrations over time; rain and wind batter the egg clutches more or less continuously, but snakes have to take a break to chew.

While crunching his data in the mid-1980s, Congdon made a startling discovery: The oldest female Blanding «sTurtles — more than 50 years old — had more egg clutches than youngerones, as well as more eggs per clutch.

In his decades of research at the E.S. George Reserve, Congdon found that the oldest female Blanding's turtles he captured had more egg clutches than the younger ones, as well as more eggs per clutch.

The temperature difference between summer and winter plays a significant role in the egg clutch size of birds