on campus, elizabeth olveda, update news."here's construction under way in san jose...and the workers have four legs. update news reporter ashley cunha hiked along the guadalupe river to find out more. ">>>[open with nat sound : that's right! beavers have moved into san jose. experts say this furry family of three has migrated from the santa cruz mountains to the guadalupe river park in the heart of downtown. these videos were shot by nature photographer and san jose state graduate greg kerekes. he has been monitoring the beaver activity for the past few weeks with a nightvision camera set up near the river bank. sjsu environmental studies professor lynne tulio is excited to see the animals in our city. trulio:"beavers are one of the world's great animal engineers. they build dams and they completely change the hydrology of areas. and, uh, our ecosystems are adapted to what beavers do." cunha: the last time beavers inhabited the santa clara county was in 1855, well over 150 years ago. s so to have them back here at the guadalu