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Canopy trees are able to photosynthesize relatively rapidly with abundant light, so it supports the majority of primary productivity in forests. The canopy layer provides protection from strong winds and storms while also intercepting sunlight and precipitation, leading to a relatively sparsely vegetated understory layer.
In becoming frugivore specialists, both these birds live off the fruit of parasites that germinate in the canopy of host trees, where the fruit of the parasite has specific seed placement requirements on host branches and resists consumption by frugivore nonspecialist birds. [10]
Cassin's is a little larger than the western and the upper parts are a darker gray than the western. The most distinctive difference between these birds is that the Cassin's has a thin white edge along the distal end of the tail feathers, while the western kingbird has a thin white edge that runs along the side of the tail feathers. [8]
The diversity of tree species has an impact on the overall health of the forest, its wind resistance, and the food value for wildlife.
This bird seeks food both on the ground and in the canopy of the trees, and takes a very high percentage of animal prey from countless invertebrates, small reptiles, mammals and young birds and eggs. It will also take flesh from a recently killed carcass. They will usually feed the newborns first.
The turquoise jay is omnivorous. Though little is known about the diet, the jay is confirmed to eat insects, berries, eggs, and the young of other birds. Like other jays, the turquoise jay will explore the midstory and canopy of trees in search of food, examining the vegetation along the way.
The kererū nests in the canopy of trees, bushes, shrubs, or hedges, anywhere from 1.8 to 9.1 m (5.9 to 29.9 ft) above the ground. Both birds construct the unlined platform of twigs—mostly kānuka (Kunzea ericoides), which can be up to 30 cm (12 in) across.
The Amazon rainforest has four layers, each of which has its own unique ecosystem. The top layer is the emergent (or dominants) where the tallest trees are found (up to 200 feet tall). Many birds, such as eagles and parrots, also reside in the emergent. The primary layer is the canopy where about 70 to 90 percent of all rainforest life resides ...