Abnormal Beak of a Horned Lark (Otocoris alpestris praticola)

نویسندگان

چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Limited Phylogeographic Signal in Sex-Linked and Autosomal Loci Despite Geographically, Ecologically, and Phenotypically Concordant Structure of mtDNA Variation in the Holarctic Avian Genus Eremophila

Phylogeographic studies of Holarctic birds are challenging because they involve vast geographic scale, complex glacial history, extensive phenotypic variation, and heterogeneous taxonomic treatment across countries, all of which require large sample sizes. Knowledge about the quality of phylogeographic information provided by different loci is crucial for study design. We use sequences of one m...

متن کامل

Chair : Murray Lark Vice

This issue of Pedometron is timed to coincide with the biennial meeting of the Pedometrics Commission, Pedometrics 2007, which is taking place in Tübingen, Germany, from 27th August. I am sure that, as in the past, the Pedometrics meeting will be a great success, and offer my thanks to Thorsten Behrens, Thomas Scholten and Volker Hennings for their work in organizing it. If you are at the meeti...

متن کامل

Are you an owl or a lark?

Nurse managers should check whether staff are morning larks or night owls before asking them to work night shifts, new research suggests.

متن کامل

Xanthones from Polygala alpestris (Rchb.).

Bioactivity-guided fractionation of Polygala alpestris L. (Rchb.) extracts led to the identification of two new xanthones, 1,3,7-trihydroxy-2,6-dimethoxyxanthone (1) and 2,3-methylenedioxy-4,7-dihydroxyxanthone (2). In addition five known compounds 3,4-dimethoxy-1,7-dihydroxyxanthone (3), 1,3-dihydroxy-7-methoxyxanthone (4), 1,7-dihydroxy-2,3-dimethoxyxanthone (5), 3',6-O-disinapoyl sucrose (6)...

متن کامل

Songbird response to rest-rotation and season-long cattle grazing in a grassland sagebrush ecosystem.

Grazing on natural rangelands, which are areas dominated by native vegetation that are used for livestock grazing, can achieve desired vegetation outcomes, preserve native habitat, and economically benefit multiple stakeholders. It is a powerful tool that can be manipulated to reduce wildlife declines and benefit ecosystems. However, the benefits of conservation grazing systems on many wildlife...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: The Auk

سال: 1919

ISSN: 0004-8038,1938-4254

DOI: 10.2307/4073371