4 The Love Of Animals

NOVEMBER 24, 2009

Wolves, for example–the probable ancestors of dogs–live in packs that hunt together and have a complex hierarchy. Marc Hauser, a cognitive psychologist at Harvard University, recently opened his own such research lab and has 1,000 dogs lined up as subjects. Other facilities are operating in the U.S. and Europe.

Wolves 100

Wolves Fox Dogs Puppies 100

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 235

Owls Science Barn Owls Penguins 235

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 184

Mammals Rodents Birds Reptiles 184

10,000 Birds

SEPTEMBER 6, 2016

This is the story of Fox’s experiences on board the Achiever, the research vessel of the Raincoast Conservation Foundation. It’s a small group of 10 to 12 researchers and crew members, and Fox is the sole person responsible for the bird surveys. Northern Fulmar, image courtesy of Peter Hodum.

Fox 100

Fox Albatross Geese Bald Eagle 100

10,000 Birds

DECEMBER 7, 2021

The guide covers over 650 species, most of the breeding birds in the United States (minus Hawaii) and Canada (like most guides with ‘North America’ in its title, it does not include Mexico or the Caribbean). Acorn Woodpeckers use both communal and cooperative breeding strategies which vary widely among family groups.

Eggs 254

Eggs Birds United States Sparrows 254