Birding/Expert Profile

Roger Lederer

U.S.
On Vacation
returns 11/22/2009
Expertise

Any and all about wild birds - the science of ornithology. Information about birdwatching, ecology, conservation, migration, behavior, banding, rehabilitation, feeding, songs, binoculars, identification, and careers in ornithology. No questions about pet or caged birds, please.

Experience in the area

Have a PhD and thirty eight years as a professional ornithologist - research, teaching, author, speaker, webmaster of Ornithology.com . Have written thirty scientific papers, two bird field guides, a textbook in ecology and two recent books entitled "Amazing Birds" and "Birds of New England". Have traveled to over 80 countries watching birds.

Education/Credentials

PhD

What do you like about this subject?

Birds are something that everyone of any ability can enjoy; birds also teach about nature and conservation as well.

What do you still hope to achieve/learn in this field?

I hope to keep learning and learning as the more I know the more I know there is to know. And I hope to keep educating the public as to the importance of birds and the environment.

Something interesting about this subject that others may not know:

Birdwatching is the fastest growing outdoor sport in the U.S.and many other countries. It is the most accessible of all outdoor sports - from children to seniors, and the fit to the physically challenged.

Something controversial or provocative about this subject

Birds are threatened by habitat destruction, pollution, and global warming.Unfortunately, at least 25% of the bird species in the U.S. are in decline.

Average Ratings

Recent Reviews from Users

Read More Comments

    K = Knowledgeability    C = Clarity of Response    T = Timeliness    P = Politeness
UserDateKCTPComments
Kelly10/30/0910101010Thank you for your suggestions I will .....
Bill10/26/0910101010Many thanks, Roger. I was having some .....
Kathryn10/26/0910101010Thanks for getting back so quickly.
fiona10/20/0910101010thankyou for such a quick response and .....
bud10/14/0910101010 

Recent Answers from Roger Lederer

2009-10-30 bird or bat:

Usually a bat has brown or black droppings. If there is scratching in the chimney, it could be a bat or a bird or a rat or something else. Since I don't know what your situation looks like, I can't tell

2009-10-19 feeding finches:

I don't know where you live or what kinds of finches these are, but I wouldn't worry about them. They are not going to hang around just because you are feeding them. When they raise young they need protein

2009-10-10 birds:

Unfortunately, this question is much too detailed for me to answer off the top of my head. I would have to go into the ornithological literature and spend hours researching the answers, and frankly, I'm

2009-10-07 swift parrots:

Here is some information from Wikipedia with references. Hope this answers your questions. The Swift Parrot (Lathamus discolor) breeds in Tasmania and migrates north to south eastern Australia from

2009-10-02 Looking for help identifying a water bird:

It could be either. The immatures will hang out together for a while in the fall as will the females. When courtship begins in late fall, pairs (male and female) will form. Must be nice foliage there this

 

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