article thumbnail

African Pythons Targeted for Removal

10,000 Birds

The invasive Burmese Python ( Python molurus ) is well established in the Florida Everglade. Another species of Python, the African Python ( Python sebae ) has established a small population in the 2,877-acre Bird Drive Area (BDA) in South Florida. The best chance to catch a Python is during a cold front.

Pythons 179
article thumbnail

Every sperm is sacred

10,000 Birds

By studying Zebra Finches and domestic chickens, the scientists discovered that multiple sperm appear necessary for a fertilized egg to progress to the embryo stage (a process called “polyspermy”.) This differs from humans and other mammals, in which the addition of extra sperm essentially destroys the egg.

Zebras 145
Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Trending Sources

article thumbnail

Birding Nonggang, Guangxi, China – part 2

10,000 Birds

Apparently, some bird photographers think that any human artifacts shown on a bird photo immediately spoil the whole photo. And of course, on a rather rare occasion for this blog, an almost perfect link to the next bird (my favorite transition is still the Monty Python one: “And now for something completely different”).

China 220
article thumbnail

Birding Shanghai in October 2022

10,000 Birds

Of course, it is hard to resist looking at a paper titled “Host personality predicts cuckoo egg rejection in Daurian redstarts” Basically, the personality of a female redstart (bold or shy) predicts the responses to parasitic eggs – bold hosts are more likely to reject parasitic eggs.

Birds 192
article thumbnail

Birding Shanghai in March 2022

10,000 Birds

Once the egg has been laid, the female is chased away and the males hatch it.” The main reason seems to be a better sharing of the workload in the more equal same-sex couples – something that is hardly irrelevant for humans. My possible birdwatching highlight this month was Short-eared Owl at Fengxian.

Birds 200