Menopausal Mother Nature

News about Climate Change and our Planet

Ecology

Bats save energy by reducing energetically costly immune functions during annual migration

A team of scientists led by the Leibniz Institute for Zoo and Wildlife Research (Leibniz-IZW) investigated whether and how the immune response changes between pre-migration and migration seasons in the Nathusius pipistrelle bat. They confirmed that migratory bats favour the energetically ”cheaper” non-cellular (humoral) immunity during an immune challenge and selectively suppress cellular immune responses. Thereby, bats save energy much needed for their annual migration.

Mapping out rest stops for migrating birds

A team of researchers have developed a new metric called the stopover-to-passage ratio that can help determine if a majority of birds are flying over a particular site or stopping at the site to refuel or rest. The answer to this question can have important implications for what action is ultimately taken on the ground to help migratory birds.

American Pikas show resiliency in the face of global warming – Science Daily

The American pika is a charismatic, diminutive relative of rabbits that some researchers say is at high risk of extinction due to climate change. Pikas typically live in cool habitats, often in mountains, under rocks and boulders. Because pikas are…

American Pikas show resiliency in the face of global warming

The American pika is a charismatic, diminutive relative of rabbits that some researchers say is at high risk of extinction due to climate change. A new review finds that the American pika is far more resilient in the face of warm temperatures than previously believed.

Rainforest model offers glimpse into future of the Amazon

Tropical Forests may be more resilient to climate change than previously thought, according to ecologists. The results help solve an ongoing debate about the mechanism responsible for declines in tropical forest productivity that go hand in hand with rising global temperatures.