The stakes are clear. Experts celebrate as endangered creatures see stunning recovery: 'Successful reproduction' first ...

"Migratory animals are the planet's early-warning system and they are in trouble," Amy Fraenkel, CMS executive secretary, said in the press release. "Climate change is having impacts now, and without ...

Animal reproduction and breeding encompasses the full spectrum of natural, assisted and genetic processes that underpin the perpetuation, improvement and conservation of species across diverse taxa.

Life cycles require the creation of an autonomous individual, that individual’s growth and that individual’s reproduction In sexual reproduction, gametes containing a single set of chromosomes combine ...

A new study published in Science and led by Monash University biologists reveals that the energy cost of reproduction is far greater than previously believed. The research, led by Dr. Samuel C Ginther ...

The energy invested in animal reproduction is as much as 10 times greater than previously estimated when the metabolic load of bearing and caring for offspring is accounted for, according to a new ...

What are some animals that give birth to huge numbers of offspring at once?” (Watch a female sea urchin produce millions of eggs.) The mola, or ocean sunfish, looks like an animal cracker someone bit ...

The National System of Conservation Areas, part of the Environment Ministry, has informed Ponderosa Adventure Park in Guanacaste that it must make changes in order to comply with Costa Rican laws.

Animals possess circadian clocks, or 24 h oscillators, to regulate daily behavior. These typically take their cues from the periodic change of sunlight and darkness. However, many animals are also ...