general view of several galapagos giant tortoises with domed shell seen grazing in vegetation

area beautiful blue bushes chelonoidis clouds conservation cruz day domed earth eating ectothermic ecuador endangered feeding field foliage galapagos general giant grass grazing green herbivore island large light lush mouth muddy nature nigra porteri protected remote road santa seen several shell sky slow species staring sunny tortoise tortoises tourism tranquil travel trees unique vacation vegetation view while wild wildlife