Female tiger sharks migrate from Northwestern to Main Hawaiian Islands during fall pupping season
Sep06

Female tiger sharks migrate from Northwestern to Main Hawaiian Islands during fall pupping season

A partial migration of adult female tiger sharks coincides with pupping season and the months of increased incidences of shark bite in Hawaii, according to a report currently in preprint in ESA’s journal Ecology.

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The plight of Hawaiian birds

Just last week, two Hawaiian bird species from the island of Kaua’i and their respective habitats were put on the endangered species list along with a Hawaiian fly and 45 types of Hawaiian plants. However, while the action signifies movement from the Obama Administration toward protecting at-risk species and their habitats, the listing does not come a second too soon: Recent research shows U.S. birds, especially in Hawaii, are in great peril.

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Exotic plants can be water-hoggers

We often think of vegetated areas as being ecologically friendly; that is, plants are good for the environment, right? But it turns out that even that statement has caveats. In a study out in this month’s Ecological Applications, researchers have found that some exotic trees in Hawaii can use water at a rate of more than twice that of native trees. This greedy water consumption could spell trouble for the island state, where...

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