Free Range Humane Species 
10,000 Birds
OCTOBER 25, 2016
Agonizing quandaries concerning invasive species are well-known to wildlife biologists. They argue for the elimination of free-range cats entirely. Arriving in North America around the time of Columbus, they have become “one of the most successful invasive species on earth.”.
10,000 Birds
SEPTEMBER 13, 2014
Back in 2009, Tai Haku sent us a fascinating post exploring a question that ecologists worldwide grapple with: can the translocation of rare species into niches left empty by extinction be successful or justified? It is extinct. It persists in captivity at a breeding facility on Guam and in a number of American zoos.
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
10,000 Birds
JULY 22, 2014
Also, feral Cats on islands seem to be a serious problem, causing the extirpation of some indigenous species. A hungry feral Cat in Minnesota goes and finds new prey in an area it previously had not explored, leaving the last few of one or another bird species alone for a while. We estimate that free-ranging domestic cats kill 1.4–3.7
10,000 Birds
SEPTEMBER 16, 2014
However, in this post, I’d like to lay out the basic numbers as we pretend to know them about overall bird mortality, human related causes of mortality, and somewhere in there I’ll note that the number of birds that are killed by windmills is so small that it says “zero” on my pie chart. So keep that in mind.
10,000 Birds
JULY 22, 2024
The Ochraceous Bulbul looks similar to the Puff-throated Bulbul, with which it shares a genus – the similarity made one of my travel companions doubt the whole framework of species distinctions. Paul Conrad (1836-1885), a German naturalist in the East Indies, after which the species is named ( Pycnonotus conradi ).
10,000 Birds
JULY 8, 2024
Still, one source states that this is the second-rarest of all crane species. What methods are effective to protect an endangered crane species? On the one hand, in reserves such as the one at Yancheng, China there are disturbances from humans, particularly in the non-core areas of the reserve ( source ). Is this relevant?
268 
Let's personalize your content