Fig 1.
Schematic representation of the guild of plant species pollinated by the sword-billed hummingbird E. ensifera, from left to right: Brugmansia sanguinea, Aetanthus dichotomus, Passiflora mixta, P. cumbalensis, P. tripartita var. mollisima,and Tristerix grandiflorus.
Table 1.
Plant species potentially pollinated by E. ensifera.
Data (mean corolla length, mean operative length, flowering period and distribution) collected from the literature, herbarium vouchers and personal field observations (source).
Fig 2.
A, Predicted range overlap of E. ensifera and 19 long-flowered plant species. B, Richness of the long-flowered plant species within E. ensifera range. Background vector mapswere obtained from the public domain dataset Natural Earth @naturalearthdata.com.
Fig 3.
A, Histogram of the distribution of bill length (n = 51) and operative length of the long-flowered guild of plants (n = 21). B, Histogram of the distribution of pseudo-F values resulting from 5000 simulations of the linear model comparing mean of bill length and operative length of the long-flowered guild of plants; the solid line indicates the observed F value.
Table 2.
Percentage contribution of the environmental variables to the species distribution model of E. ensifera.
Fig 4.
Relationship between 51 records of (A) bill length and (B) species richness of the long-flowered guild of plants with latitude. Shaded bands represent 95% confidence intervals around the solid line. Distribution of the values of (C) bill length and (D) richness across five latitudinal ranges.