Desert birds lay larger eggs when they have more helpers to feed their chicks, new research shows. White-browed sparrow weavers live in family groups in which only a dominant pair breeds and their ...
Pablo Capilla-Lasheras has received funding from the Biotechnology and Biological Sciences Research Council (UK) and currently works at the University of Glasgow. Tswalu Kalahari Reserve is a ...
Q. When we studied high school biology, our teacher said more than 99 percent of animals lay eggs and only a few give live birth. That percentage seems too high. Humans, dogs, cats and cows are ...
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