10,000 Birds

MAY 27, 2024

One website states that only 15% of the birds that hatch make it to become first year breeding adults, 6% make it to the second year, and 3% to the third year. Other species – such as starlings or t**s – stealing the nesting site of Eurasian Nuthatches is one of the major reasons for breeding failure.

Research 130

Research Germany Iran Humane 130

10,000 Birds

JULY 6, 2023

Fortunately, there are a few more such breeding species than most Shanghainese are aware of. While the HBW states that it breeds at 300 – 2450 meters, in Shanghai – where such elevations are not available outside of the upper floors of a few highrises – it makes to with an altitude of about 0 meters as well.

Birds 130

Birds Eggs Breeders Breeding 130

10,000 Birds

JANUARY 7, 2020

The authors’ detailed delineation of problems with the accuracy of NYC breeding bird surveys or with the limits of historical writings may test a reader’s patience. Because, as this book demonstrates so well, it is sometimes important to look back in order to move forward. This is a project that clearly spanned decades.

New York City 161

New York City New York Birds Breeding 161

10,000 Birds

JANUARY 5, 2016

Light blue boxes give brief facts on breeding age, strategy and lifespan. To an intermediate-level birder like me, the material in Better Birding –highly focused, detailed, based on the latest research and years of field experience– is daunting, but also fascinating. Le Conte’s Sparrow!” Authors George L.

Birds 190

Birds Groups 2015 North America 190

10,000 Birds

MARCH 3, 2020

The source of this ranking, BirdLife International, lists Bolivia as currently having 1,439 bird species, including 18 breeding endemics. This is more than eBird reports–a checklist generated from the citizen science database lists only 1,413 species. Clearly, this is an under-birded country. .

Bolivia 187

Bolivia Birds Brazil Switzerland 187

10,000 Birds

MARCH 4, 2011

It is also familiar at inland sites in winter, especially reservoirs and refuse tips, and breeds in the relatively-Northerly regions of Europe, Asia, and North America. Yellow-Legged Gull These gulls breed around the Mediterranean and have yellow, rather than flesh-coloured legs. Get yours today! Not Mayr.

2011 157

2011 Cyprus Species Deer 157

10,000 Birds

FEBRUARY 2, 2023

However, the authors call this a “new breeding tactic”, which seems to mix up the discovery of the tactic with the use of the tactic. In Shanghai, one way to find out was to measure the concentration of these chemicals in Eurasian Tree Sparrows from different locations. But I may well be wrong.

Birds 147

Birds Geese Fish Industry 147