10,000 Birds

APRIL 5, 2022

The book is richly illustrated with contributions from a group of birders/photographers who were fortunate to see and document many of the vagrants covered. There are many more factors than I imagined: compass errors, wind drift, overshooting, extreme weather and irruptions, natural dispersal, and human-driven vagrancy.

Birds 256

Birds Compassion Eagles Science 256

10,000 Birds

APRIL 19, 2016

For example, years ago, Eiton Tchenrov postulated that the wild progenitor of the domestic dog, some subspecies or another of wolf, could benefit from overlapping its breeding territory with human hunters. The humans tended to keep away a range of predators that might take the pups as a form of interference competition.

Alligators 114

Alligators Protection Leopards Birds 114

10,000 Birds

DECEMBER 15, 2015

Many of the great debates over human behavior, those related to things such as race or gender, are muddled and messy because plasticity is ignored. Plasticity in humans is probably modulated primarily through experience and enculturation. Presumably the humans keep away the predators.

Birds 117

Birds Research Humane Pets 117

10,000 Birds

JUNE 9, 2022

After writing this last sentence, I looked up the species in the HBW and found the sentence “Song poorly documented” in the appropriate section, while with regard to calls, the description is that “call is a two-note raspy nasal ‘ryeeh-reh’”. Accessorizing for birds.

Singapore 147

Singapore Mountain Goats Birds Giraffes 147