TEST Family Reference Species 
10,000 Birds
NOVEMBER 30, 2022
Lees and Gilroy delineate vagrancy status and trends for every bird family worldwide, highlighting examples, synthesizing research, and framing it all with their own thoughts and conclusions. It’s a unique title; twitchers and naturalists interested in migration will find it fascinating reading and valuable for future reference.
10,000 Birds
JULY 4, 2017
The guide presents 69 species and 1 subspecies, from “NEW WORLD VULTURES: Cathartiformes” to “OSPREY: Pandioninae” to “FAMILY: Accipitridae” (Kites, Hawks, Eagles, Hawk-Eagles), to “FALONIDS: Falconidae” (Falcons, Forest-Falcons, Caracaras, Kestrels, Merlin). That’s a lot of visual information!
This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.
10,000 Birds
DECEMBER 11, 2011
Founded by Roberto Chavarro and his family in the early eighties, this little reserve has been dropped slap-bang into the birding spotlight by the recent claims of the rediscovery of the Bogota Sunangel Heliangelus zusii , a species that is known from one record – a skin from 1909! How much variation was there in this species?
10,000 Birds
JANUARY 7, 2020
The book is divided into three parts: “Introduction,” “Avifaunal Overview,” and “Species Accounts.” The authors’ detailed delineation of problems with the accuracy of NYC breeding bird surveys or with the limits of historical writings may test a reader’s patience. Most birders will go straight to the “Species Accounts.”
10,000 Birds
DECEMBER 4, 2018
Even more than warbler, shorebird, and sparrow identification, this is a field that tests our endurance (gull watching is too often done in bitter cold, windy conditions), patience (even getting one good photo can take hours as you try to separate the ‘interesting gull’ from the flock), observational skills (so many plumages!)
10,000 Birds
MARCH 25, 2024
Interestingly, these juveniles look more similar to another species, the Pale-billed Parrotbill, than the adult babblers – and they sometimes are part of the same flock. Then we are both hopeless … Anyway, the paper tests whether small roads in a forest are a hindrance to birds – are they reluctant to cross?
10,000 Birds
MAY 19, 2011
Even if you don’t live in the summer range of a particular species, you may have opportunities to observe it while it passes through, especailly if you live in an active flyway, like I happen to. Itcher birds, migratory members of the tern family. One way to organize these ponderous complexities is to refer to our Tinbergen.
Expert insights. Personalized for you.
212 
Let's personalize your content