The New Neotropical Companion
actually mate. Like the quetzals, Andean Cock- of- the- rocks are fruit eaters and are often seen gathered in all their collecti ...
of coevolution between hummingbirds and their principal food plants. Numerous hummingbird species have exquisitely adapted to th ...
in long) hummingbirds and they conserve energy by actually walking on the ground and only briefly flying up to capture an insect ...
and transitional zones. In some places the corridor is only 4– 6 km (2.5– 3.7 mi) wide, rather narrow to assure sufficient usage ...
The Andes Mountains, known in South America as Cordilleras de los Andes, define western and northern South America, running from ...
finally in the Northern Range in Trinidad (an island today but once part of Venezuela; it became isolated only when the sea leve ...
Plate 13- 26. This combination of grasses, shrubs, and forbs characterizes páramo at high elevations in the Ecuadorian Andes. Ph ...
Unique and Endangered Polylepis Woods At elevations between 3,500 and 4,500 m (11,480– 14,760 ft) in the Andes, above timberline ...
Puna: The High Grassland of the Andes Puna is defined as cold alpine grassland where conditions are severe. The essential differ ...
Plate 13- 31. Puna is windswept and dominated by tussock grass, as shown here. Photo by John Kricher. Plate 13- 32. Guanaco, at ...
What Is a Savanna? Tropical savanna is grassland that has a rich scattering of trees. Savanna forms part of an ecological gradie ...
Chapter 14 Don’t Miss the Savannas and Dry Forests cecropias, and others, depending upon location. Local plant species compositi ...
experience an annual rainfall of between 50 and 200 cm (about 20– 80 in), most of it falling in a five- to eight- month wet seas ...
Herbivory Historically most savanna ecosystems have supported significant levels of herbivory by large animals. This was apparen ...
other species, ranging from grasses, palms, and palmettos to Cecropia and Miconia species (plate 14- 7). Compared with the nearb ...
Dry woodland is part of cerrado. It consists of shrubs and scattered semi- deciduous trees typically no taller than 8 m (26.25 f ...
using their powerful legs and talons to subdue snakes and small mammals. Besides their unique ecology, perhaps the most distinct ...
plate 14- 17), Giant Anteater (Myrmecophaga tridactyla), Green Anaconda (Eunectes murinus), Spectacled Caiman (Caiman crocodilus ...
Plate 14- 20. The Jabiru is, at 140 cm (55 in) tall, the largest of the New World storks. Photo by John Kricher. Plate 14- 22. W ...
are abundant. Only the Wood Stork reaches North America. It is best to visit the Llanos in dry season. Animals, particularly wat ...
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