Cattleya Orchid and Three Hummingbirds Cattleya Orchid and Three Hummingbirds Cattleya Orchid and Three Hummingbirds (1871) is an oil on mahogany panel picture by Martin Johnson Heade acquired by the National Gallery of Art in 1982. Inspired perhaps by the works of Charles Darwin and Frederic Edwin Church, Heade planned to produce a deluxe book in the 1860s depicting Brazilian hummingbirds in tropical settings, and, to that end, created a series of 40 small pictures called "The Gems of Brazil". The project was abandoned, but Heade retained his interest in hummingbirds and continued to paint them in combination with orchids and jungle backgrounds through the
Flower constancy for certain flower types and constantly return even if other more rewarding flowers are available. This is shown for example in experiments where honeybees remain flower constant and do not attempt to feed on other available flowers that exhibit an alternative color to their preferred flower type. Flower constancy favors flower pollination, that is, pollinators that are flower constant are more likely to transfer pollen to other conspecific plants. Also, flower constancy prevents the loss of pollen during interspecific flights and pollinators from clogging stigmas with pollen of other flower species. Flower constancy can be enhanced when the flowers are