10,000 Birds

SEPTEMBER 18, 2012

Over time, as the crow has a second then a third opportunity to extract food from the box, the bird becomes less concerned, as experience has taught it that the mysterious menacing stick isn’t really a threat. The next graph shows the average number of times per trial that the crow decided to abandon an effort to get at the food.

Abandon 249

Abandon Abandoning Abandonment Research 249

10,000 Birds

OCTOBER 2, 2012

Second, it abandoned the standard format for field guides established by Roger Tory Peterson (who wrote the book’s Forward), succinct lists of field marks and arrows pointing them out, to engage in long paragraphs discussing how a hawk soaring above might be identified. Published in 1988, Hawks in Flight was unique for its time.

North America 244

North America Bald Eagle Birds Eagles 244

10,000 Birds

JULY 6, 2021

In 2012, I reviewed The Jewel Hunter , an absorbing narrative in which author Chris Goodie travelled throughout Asia, Africa, and Australasia to observe and photograph every Pitta species in the world. Like all talented travel writers, Dunn is adept at drawing us into his experiences. A passion for one bird family is also very useful.

Costa Rica 264

Costa Rica Brazil Ecuador Bolivia 264

10,000 Birds

SEPTEMBER 15, 2015

Non-bird watchers without binoculars and experience are notoriously bad sources of information. The adults move to flocks, there may be two or three of them, that hang out mostly far off shore in the larger part of the lake, abandoning their embayments or otherwise protected areas. More alarm calling. I’m not sure what really happened.

Humane 225

Humane Eagles Investigation Research 225