article thumbnail

Every sperm is sacred

10,000 Birds

That’s the finding of researchers from the University of Sheffield in the UK, published in Proceedings of the Royal Society B. (If 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”.)

Zebras 145
article thumbnail

Birding Sepilok, Borneo (Part 2)

10,000 Birds

Fortunately for the honor of the species, the researchers found that kleptoparasitism was practiced at a low rate (4% of observations) while much more often, drongos captured insects disturbed by other species (41% of observations).

Birds 201
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

Collaborative List – August 2017

10,000 Birds

Eastern Egg Rock. Eastern Egg Rock. Eastern Egg Rock. Zebra Dove – Geopelia striata. Forestry Research Institute of Malaysia. Forestry Research Institute of Malaysia. Gulf of Nicoya (Puntarenas/Paquera ferry). 28 Jun 2017. Common Murre – Uria aalge. 28 May 2017. Razorbill – Alca torda.

2017 100
article thumbnail

Collaborative List – July 2018

10,000 Birds

Zebra Dove – Geopelia striata. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Hopland Research and Extension Center (restricted access). Hopland Research and Extension Center (restricted access). Jamaica Bay, Big Egg Marsh.

2018 101
article thumbnail

Collaborative List – October 2018

10,000 Birds

Zebra Dove – Geopelia striata. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Hopland Research and Extension Center (restricted access). Hopland Research and Extension Center (restricted access). Jamaica Bay, Big Egg Marsh.

2018 113
article thumbnail

Collaborative list – September 2018

10,000 Birds

Zebra Dove – Geopelia striata. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Hopland Research and Extension Center (restricted access). Hopland Research and Extension Center (restricted access). Jamaica Bay, Big Egg Marsh.

2018 113
article thumbnail

Collaborative list – December 2018

10,000 Birds

Jamaica Bay, Big Egg Marsh. Zebra Dove – Geopelia striata. Hopland Research and Extension Center (restricted access). Jamaica Bay, Big Egg Marsh. Hopland Research and Extension Center (restricted access). Hopland Research and Extension Center (restricted access). Stormwater Treatment Area 5/6.

2018 113