It is also speculated from field observations that the male's black cap, chest and throat are slightly glossier.
22.
Due to insufficient financial resources and field observations data available, water projects could not be expedited as planned.
23.
The sites index included a short description and interpretation of each site, with bibliographical references and field observations.
24.
As the bird became extinct before significant field observations could be made, not much is known about its behaviour.
25.
Empathic design using field observation can reveal opportunities to commercialize innovations existing users have already developed to improve products.
26.
With advancements in the quality of camera equipment this method of field observation has become more popular among researchers.
27.
As the bird became extinct before significant field observations could be made, not much is known about its behavior.
28.
Experimental research on visual search in animals was initially prompted by field observations published by Luc Tinbergen ( 1960 ).
29.
A dearth of field observations limit our knowledge, but intraspecific conflicts are known to sometimes result in injury or death.
30.
Based on field observations, he proposed a model for the exhumation of high pressure rocks in subduction zones through transtension.