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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 If you’re feeling particularly science-y, the full paper is here.). This differs from humans and other mammals, in which the addition of extra sperm essentially destroys the egg.

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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). After the two broadbill species at the start of this post, the other main attraction is a pair of two trogons.

Sri Lanka 199
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Collaborative List – February 2018

10,000 Birds

Jamaica Bay, Big Egg Marsh. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Hopland Research and Extension Center (restricted access). Mark Hatfield Marine Science Center and Estuary Trail.

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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). Jeriau Waterfall. 12 Jun 2018.

2018 113
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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). Jeriau Waterfall. 12 Jun 2018.

2018 113
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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). Kuala Selangor Nature Park.

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Collaborative list – December 2018

10,000 Birds

Jamaica Bay, Big Egg Marsh. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Zebra Dove – Geopelia striata. Hopland Research and Extension Center (restricted access). Jamaica Bay, Big Egg Marsh. Stormwater Treatment Area 5/6. 13 Jan 2018.

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