We do not observe visits in our data, but can infer the relevant number of active users, U, from the heterogeneity in the number of votes by users.
Five species belonging to two families of bees were observed visiting soybean flowers.
Across 15 farms, 84 wild bee species were observed visiting highbush blueberry, almost a third of bee species recorded in Vermont.
Among the thousands of telephone calls to the F.B.I. have been reports that Mr. McVeigh and a second unidentified suspect were observed visiting other Federal buildings in other cities before they selected Oklahoma City for reasons that are still unclear, officials said.
In the field, diptera were observed visiting the mature inflorescence, which has a pungent odour reminiscent of cheese, carrion, and faeces.
Many tourists were observed visiting the city center in 2012 (Contreras et al. 2014), 2014, and 2016, as confirmed by officials from the Office of Public Reconstruction in the community of L'Aquila.
The white-breasted nuthatch was also observed visiting raccoon latrines in order to find seeds.
A great many bird species have been observed visiting this Banksia species.
