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| | ADW: Gopherus agassizii: Information |
 | | Female desert tortoises provide their young with yolk, which not only sustains them while the eggs incubate, but which provides the hatchlings with enough energy for six months--enough to sustain them in case they are not able to feed before hibernating. |
 | | Desert tortoises use a larger portion of their overall home range during the spring or summer months when they are most active. |
 | | Desert tortoises are also ecosystem engineers, digging burrows that are used as shelters by snakes (Serpentes), lizards (Sauria), birds (Aves), rodents (Rodentia), javelinas (Pecari tajacu), and insects (Insecta) and other invertebrates. |
| animaldiversity.ummz.umich.edu /site/accounts/information/Gopherus_agassizii.html (2684 words) |
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