Brooding Could Kill, Warn Psychologists
...systems, surges of stress hormones that strain the heart, more depression and perhaps even shorter life spans. Those who often react to stress by brooding have less of a blood pressure drop overnight than people who usually let go of things, shows a new study by psychologist Brenda Key of the University ...How birds spot the cuckoo in the nest
...own eggs and were accepted as belonging to the brood. However, it was a different matter for the birds sitting on UV-block-coated impostors. Seventeen brooding parents evicted the strange looking egg, pecking at the shell until they had made a large enough hole to stick their beak in and carry it away. Only 1...Rare North Island brown kiwi hatches at the Smithsonian's National Zoo
...ng: the process in which the chick starts to break through the shell. The chick remained in an isolet for four days and is now in a specially designed brooding box. The box will be not be on exhibit, but will be accessible on Friday, March 14, by webcam on the Zoos Web site at http://nationalzoo.si.edu/...'Nymph of the sea' reveals remarkable brood
...ssil record, it allows gender to be determined in an animal as old as the Silurian period of geological time, and indicates a remarkably conserved egg brooding reproductive strategy." ...African amphibians make extreme parental sacrifice: The skin off their backs
... jaws to lift and peel the outer layer of the mother's skin." Studies of the females' skin revealed that the outer layer is up to twice as thick in brooding females as in non-brooding females and is full of nutritious fat. Amphibians are a diverse lot when it comes to parental care, which may include hi...