10,000 Birds

APRIL 2, 2013

A breeding bird atlas is a special kind of book. For birders, it’s the extremely large book, shelved in a place where it can’t crush the field guides, used to research the history of a bird in their area. So, what exactly does a breeding bird atlas contain? The resulting book, 616 pages in length, 6.4

Pennsylvania 227

Pennsylvania Breeding Birds Sparrows 227

10,000 Birds

JULY 18, 2022

This would have allowed you to summarize your experience in sentences such as “A total of 98 boluses regurgitated by 52 chicks aged 1 day to 11 days after hatching form the sample and are shown to contain 323 food items.” It concludes that human activity influences the breeding activity of the lapwing. How efficient.

Birds 162

Birds South Korea Japan Abandon 162

10,000 Birds

JULY 24, 2014

Using ministerial connections he obtained 100 mallard eggs from the US and began to breed and distribute them. A PhD student was presenting her research into the population in Westland, the relic population of Grey Duck. Female Mallard, photo by Corey. There the matter may have remained, but for a gentleman named Cecil Whitney.

Species 166

Species New Zealand Ducks Game 166

10,000 Birds

JULY 4, 2023

Ackerman’s new book is about owls and owl research–the knowledge recently and currently being discovered through DNA analysis, new-tech tracking and monitoring, and old-fashioned fieldwork under the auspices of organizations like the Global Owl Project and the Owl Research Institute.

Owls 209

Owls Science Barn Owls Penguins 209

10,000 Birds

JULY 21, 2011

Here’s some data from the famous research project of Manu, Peru, giving biomass in kilograms per hectare. The clifftop habitats along rocky shores of the North Atlantic (on both sides of the pond) abound in bird biomass during breeding bouts, for instance. The data here are from the site of Manaus: All animals: 200 Mammals: 8.4

Mammals 174

Mammals Rodents Birds Reptiles 174

10,000 Birds

OCTOBER 3, 2017

The guide covers 747 breeding residents or regular migrants, 29 introduced species, and 160 vagrants, a total of 936 species. Only one species of penguin breeds on the Australian mainland; five additional species breed on sub-Antarctic islands.

Australia 106

Australia Birds Penguins 2015 106

10,000 Birds

OCTOBER 22, 2014

I had barely made it far into the place, and was about to start photographing some breeding Australian Pied Shags when I heard a call to my left that I didn’t immediately recognise. Which actually, is hardly surprising, based on my tiny sample size. That said, it was just such a silly impulse that took me last weekend.

New Zealand 170

New Zealand Solomon Islands Sanctuary Vanuatu 170