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| Fish genital shape linked to predation Posted: 11 Oct 2013 10:53 AM PDT When predators lurk nearby, male Bahamas mosquitofish (Gambusia hubbsi) change mating strategies, rejecting elaborate courting rituals for more frequent and sometimes forceful encounters with females. But as a recent study shows, mating strategies aren't the only things changing for G. hubbsi when predators abound. The shape and size of the male fish's genitalia are also linked to the presence or absence of predators. |
| Badgers ultimately responsible for around half of TB in cattle Posted: 11 Oct 2013 06:38 AM PDT Badgers are ultimately responsible for roughly half of tuberculosis (TB) in cattle in areas with high TB prevalence, according to new estimates based on data from a previous badger culling trial. |
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