10,000 Birds

NOVEMBER 8, 2015

Egg loss to predation has been extraordinarily bad this year and all of the nests mentioned in the last post were lost and all of the pairs of Pied Oystercatchers laid a new clutch of eggs. In fact they have not just laid once again, but many pairs have laid up to five clutches of eggs this season.

Breeding 134

Breeding Eggs 2011 2008 134

10,000 Birds

JUNE 2, 2015

Third, observing and photographing breeding birds and their young have become acts of ethical confusion as birders, photographers, and organizational representatives debate the impact of our human presence on the nesting process. And of eggs and nests and birds on nests. Cedar Waxwings exchange berries, carry nesting material, eggs.

Eggs 263

Eggs Family 2006 New York 263

10,000 Birds

MARCH 21, 2024

Being a westerner — raised in California, and now living in western Mexico — I was perhaps most excited about the migratory birds that breed in eastern North America. I photographed the first of only two Northern Parulas ever reported in my state, way back in 2013. Then, around 4:00 p.m., And yet, there it was.

Mexico 193

Mexico Birds Raccoons Baltimore 193

10,000 Birds

FEBRUARY 18, 2014

The vast majority of the 10,000+ living species of birds are passerines, and the vast majority of those have a similar system of breeding: Mom and dad bird make a nest and share parental responsibilities roughly equally, if not identically. In the latter, three or more adult individuals contribute to the raising of offspring.

Breeders 199

Breeders Breeding Birds Groups 199