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Credit: VulPro Conservationists who apply wing tags for identifying Cape Vultures a species of African vulture that is vulnerable to extinction are putting the birds lives further at risk, a new movement ecology study has shown. Researchers from the Max Planck Institute of Animal Behavior in Germany and VulPro NPC in South Africa have demonstrated that Cape Vultures fitted with tags on their wings travelled shorter distances and flew slower than those fitted with bands around their legs. The research emphasises the importance of investigating the effects that tagging methods can have on the behaviour and conservation of species, prompting a shift towards the less invasive method of leg bands in the future study of Cape Vultures. ....
E-Mail IMAGE: The European bulldog bat not only hunts for insects near the ground, but sometimes also climbs to high altitudes. view more Credit: Adria Baucells Bats are the only mammals that can actively fly. Some species travel over one hundred kilometres on their nocturnal excursions in search of food. Researchers at the Max Planck Institute of Animal Behavior in Radolfzell have now discovered that European free-tailed bats use uplifting winds for their ascents - a behaviour that was previously known only from birds. To do this, they tracked the bats using mini GPS loggers and then linked the flight data to weather data. The animals can thus gain altitude of well over 1,000 metres without expending much energy. The results also show that the bats reach flight speeds of up to 135 kilometres per hour. ....