Zusammenfassung der Ressource
San Francisco
garter snake
- Thamnophis sirtalis
tetrataenia
- Food chain
- Bacreria and Fungi
(Decomposers)
- Grass and plants
(Producers)
- Insects (Primary;
e.g. Grasshopper,
flies)
- Secondary consumers
(Red legged frog,
snails, etc.)
- Terciary consumer
(SF Garter snake)
- Cuartiary consumer
(Eagles, hawks, great
blue heron, etc.)
- Specie
information
- Geographical state
and habitat
- This specie is endemic of San Francisco, and only locate in the
North and Southwest of California; they live secretively in
wetlands or grasslands near ponds, marshes and sloughs,
where they're able to retreat into water if disturbed or
endangered, in autumn and winter they can be found on earth
and upland areas and may overwinter there
- Growth
states
- They are oviparous, so they born from an egg, then grow
into snakelets, they feed from small rodents and reptiles,
once they grow they turn into adult snakes, completing
it's life cycle and getting the corresponding diet of their
species, then they die, as all animals.
- Types of
feeding
- They have a carnovore diet, it's mayor income
of food are amphibious animals, such as the
red legged frog, pacific tree frogs, California
newts, western toads and mosquitofish
- Types of
reproduction
- The SF garter snake reproduces by breeding and fertilization
method, means that they leave their sperm in the female,
and leave them to produce and hatch the eggs that contains
the specimens. The eggs can hatch in 13-14 weeks.