News tagged with population size

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Bats keep separate households

(PhysOrg.com) -- The use of different resources by males and females exacerbates the estimation of population sizes. However, the monitoring of population sizes, particularly for rare and threatened species, ...

Mar 24, 2011
5 / 5 (1) 0 | with audio podcast

Largest ever white-shouldered ibis count

A record-breaking 429 White-shouldered Ibis Pseudibis davisoni have just been recorded in Cambodia, making the known global population much larger than previously thought. With so many birds remaining in the wild the chance ...

Sep 14, 2010
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Study pins factors behind geography of human disease

If your home region has a hot, wet climate and a lot of different kinds of birds and mammals living in it, there's a really good chance the region will also contain numerous kinds of pathogens that cause human diseases.

Apr 16, 2010
2 / 5 (1) 0 | with audio podcast

French male bears in immediate need of more females

The population of brown bears (Ursus arctos) in France is now so small that the species might become extinct in the near future. However, there is new hope in the form of new research published October 28 in the open-access, peer-r ...

Oct 27, 2009
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Buried Coins Key to Roman Population Mystery?

(PhysOrg.com) -- The first century BC in Italy was culturally a brilliant age, unequaled by any other period in Roman history. It was a time of Cicero, Caesar, Vergil, Horace and many other major literary ...

Oct 05, 2009
3.5 / 5 (14) 2