• Nenhum resultado encontrado

Wild mallards have more "goose-like" bills than their ancestors: a case of anthropogenic influence?

N/A
N/A
Protected

Academic year: 2017

Share "Wild mallards have more "goose-like" bills than their ancestors: a case of anthropogenic influence?"

Copied!
14
0
0

Texto

Loading

Imagem

Fig. 1. Measurement of bill lamellar density. Scaled photography of the ventral view of a mallard bill used to count maxillar lamellae per centimeter
Fig. 3. Measurement of bill length. Bill length was measured (to nearest 0.01 millimeter) along the dorsal side of the maxilla using a caliper
Table 3. Average number of lamellae (¡1 standard deviation) per position (51 centimeter) by group and sex in mallards.
Fig. 4. Descriptive statistics of bill measurements. Box plots showing median and quartiles of mallard bill measurements by group and sex; A) height, B) width and C) length, in millimeter

Referências

Documentos relacionados

gondii is commonly present in wild mammals, which act as sources of infection for humans and animals, including other wild species.. The approach employed herein proved useful

Wild Plants, Mushrooms and Nuts: Functional Food Properties and Applications is a compendium of current and novel research on the chemistry, biochemistry, nutritional

Thirdly, a critical reading of the Portuguese constitutional debate in 1975-76 allows me to argue that, after the broad politicization of the urban during the

Using these data, a core collection has been established, genotypes with positive agronomic traits have been identified and are being used as parents for hybridization crosses,

Three domesticated (South Dakota domestic brown, Colorado domestic white and Colorado domestic orange) and nine wild biotypes (Minnesota-Cambridge wild olive, Canada- Rosemount

All wild Manihot spe- cies examined cytogenetically have a high chromosome number of 2n = 36 (Nassar, 1978a; Table II), but in spite of this the species behaves meiotically

Es decir, en cierto modo, probablemente, quise aceptar que todo iba a cambiar y esto podría suponerme, en aquel momento, tener que hacer descansar o trascender aquellos

In developed countries, leptospirosis occur mainly due to occupational exposition, travels to endemic areas, recreational activities or domestic and wild animals