Cattleya Orchid and Three Hummingbirds 1870s. The NGA describes the work: "Lichen covers dead branches; moss drips from trees; and, a blue-gray mist veils the distant jungle. An opulent pink orchid with light-green stems and pods dominates the left foreground." On the right, two green-and-pink Brazilian Amethysts hover about a nest while a red-tailed Sappho Comet perches nearby. 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
Flower constancy (LTM) or "reference memory", which stores information for hours or more. One of the most widespread explanations for flower constancy is that insects can only identify and handle one flower type or species at a time. Conversely, there are others that argue that insects, for example bees, can store large amounts of information (location of nest, flower patches, and existence of surrounding landmarks) in their LTM or reference memory. The learning investment hypothesis refers to the ability of an insect to learn a motor skill to handle and obtain nectar from a flower type or species. Learning these motor skills