article thumbnail

Birding Shanghai in June 2023

10,000 Birds

In the slightly frighteningly named journal “Science of The Total Environment”, there is a paper on organochlorine compounds in Purple Heron eggs nesting in sites located around a chloralkali plant (Ebro River). Summary result: relevant chemicals emitted by the plant can be found in the eggs. Bye, bye, Lesser Coucal.

Birds 130
article thumbnail

Birding Chongming Island in summer

10,000 Birds

According to the HBW, when breeding, male birds do most of the incubation and parenting while females often leave the nest up to one week before the eggs hatch. According to Couzens, after laying the eggs, females sometimes immediately abandon their first mate and pair up with another male. But maybe that is actually a good thing.

Birds 162
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

"Change of Heart": New Book about Animal Activism

Critter News

What messages and techniques have been proven effective in getting people to make compassionate decisions like boycotting fur and adopting companion animals instead of buying them? And why do so many people say the oppose the cruel practices of factory farming, yet still eat meat, eggs and dairy products?

Advocacy 100
article thumbnail

Peterson Reference Guide to Sparrows of North America: A Review by a Sparrow Fan

10,000 Birds

It will be interesting to see if the proposal is adopted and this guide becomes the first to employ the new official usage, or if it sparks other bird guide authors to revolt against the system. In some species accounts, notably Song Sparrow, this text reads as a carefully researched, finely detailed ornithological/historical essay.

article thumbnail

Feral Cats Are An Invasive Species in North America (and elsewhere)

10,000 Birds

The majority of wildcats live today in Africa, and virtually none of them have provided the DNA from which supposed histories of domestication have been constructed by researchers. Cats migrate out of the parks and live in areas where the researchers found the cats to be both fatter and less diseased. Plus, Coyotes eat Cats.

article thumbnail

The Passenger Pigeon & A Message From Martha: One Pigeon, Two Book Reviews

10,000 Birds

” (I love that term, and may adopt it for future use.) How many eggs did a pigeon lay? He reasons out answers to both questions, finally stating that, despite what many eyewitnesses wrote, the birds had to have laid more than one egg and that the birds had to have nested more than once a breeding season.

2014 159
article thumbnail

Antpittas and Gnateaters: A Book Review

10,000 Birds

Species Accounts vary greatly in length, from nine pages for Undulated Antpitta to two pages for Alta Floresta Antpitta, length depending not only on how much we know about the bird but also Greeney’s tendency to thoroughly discuss, even argue, any kind of confusion in documentation, taxonomy, or research results.

Research 136