10,000 Birds

JULY 21, 2022

Studies on improving ostrich egg hatchability. Also, I learned that in the US , ostrich eggs are priced at $40-$75. Each fresh egg weighs 4 pounds and is the equivalent of 24 chicken eggs. . Each of these ‘families’ consists of a single mating pair and 1-5 ‘helpers’ who assist in raising the young.

Ostriches 147

Ostriches Parrots Birds Eggs 147

10,000 Birds

NOVEMBER 10, 2022

Of course, it is hard to resist looking at a paper titled “Host personality predicts cuckoo egg rejection in Daurian redstarts” Basically, the personality of a female redstart (bold or shy) predicts the responses to parasitic eggs – bold hosts are more likely to reject parasitic eggs.

Birds 208

Birds China Eggs Owls 208

10,000 Birds

APRIL 27, 2012

Many of the most peculiar aspects of birds are involved with mating, whether it’s for attracting mates, defending nests against predators, or raising chicks. One of the more interesting aspects (in my opinion) of breeding in birds is their mating strategy. of all bird species, is polyandry. 1996, Nakamura 1998). 1996, Nakamura 1998).

2002 170

2002 North America 2000 2009 170

10,000 Birds

APRIL 24, 2012

This week at 10,000 Birds, it’s all about how birds get around to bumping uglies (I’m talking about cloacas here), who they do it with, and how this actually leads to raising chicks…the birds and the bees of birds, you might say. Believe it or not, this is what “fidelity” looks like.

Albatross 202

Albatross Birds Lifestyle Raised 202

10,000 Birds

JUNE 1, 2021

If you remember that the first edition of Sibley was published with “National Audubon Society” on the cover, raise your hand. Plate 28 from Audubon Bird Guide, Eastern Land Birds, by Richard H. Pough “with illustrations in color of every species” by Don Eckelberry, Doubleday, 1946. I didn’t.).

North America 279

North America America Birds California Condor 279