Associate Research Professor
Publication TagsGiraffa Camelopardalis Strigiformes Animals Home Range Demography Habitat Habitats Breeding Season Extinction Population Growth Testing Social Structure Spatial Variation Calves Metapopulation Ecosystem Disturbance Crops Terminology Fur Wildlife Management Animal Software Wildlife Method
Most Recent Papers
Giraffe translocations: A review and discussion of considerations
Derek Lee, 2020, African Journal of Ecology
Proximity to humans affects local social structure in a giraffe metapopulation
Monica L. Bond, Barbara König, Derek E. Lee, Arpat Ozgul, Damien R. Farine, 2020, Journal of Animal Ecology
Spotted Owls and forest fire: Reply
Derek Lee, 2020, Ecosphere
Giraffe translocation population viability analysis
Derek E. Lee, Elmar Fienieg, Cock Van Oosterhout, Zoe Muller, Megan Strauss, Kerryn D. Carter, Ciska P.J. Scheijen, Francois Deacon, 2020, Endangered Species Research on p. 245-252
Fission–fusion dynamics of a megaherbivore are driven by ecological, anthropogenic, temporal, and social factors
Monica Bond, Derek Lee, Arpat Ozgul, Barbara König, 2019, Oecologia on p. 335-347
An automated program to find animals and crop photographs for individual recognition
Patrick Buehler, Bill Carroll, Ashish Bhatia, Vivek Gupta, Derek Lee, 2019, Ecological Informatics on p. 191-196
Correlates of home range sizes of giraffes, giraffa camelopardalis
Mara A. Knüsel, Derek Lee, Barbara König, Monica L. Bond, 2019, Animal Behaviour on p. 143-151
Simultaneous multiple-calf allonursing by a wild Masai giraffe
Monica L. Bond, Derek Lee, 2019, African Journal of Ecology
Initial growth of northern fur seal (Callorhinus ursinus) colonies at the South Farallon, San Miguel, and Bogoslof Islands
Derek E. Lee, Ryan W. Berger, James R. Tietz, Pete Warzybok, Russell W. Bradley, Anthony J. Orr, Rodney G. Towell, Jaime Jahncke, 2018, Journal of Mammalogy on p. 1529-1538
Reply to Brehony et al.
Derek Lee, Monica L. Bond, 2018, Journal of Mammalogy on p. 1543-1545
A computer-assisted system for photographic mark-recapture analysis
Douglas T. Bolger, Thomas A. Morrison, Bennet Vance, Derek Lee, Hany Farid, 2012, Methods in Ecology and Evolution on p. 813-822
Dynamics of breeding-season site occupancy of the California Spotted Owl in burned forests
Derek Lee, Monica L. Bond, Rodney B. Siegel, 2012, Condor on p. 792-802
Occupancy of California Spotted Owl sites following a large fire in the Sierra Nevada, California
Derek Lee, Monica L. Bond, 2015, Condor on p. 228-236
Influence of fire and salvage logging on site occupancy of spotted owls in the San Bernardino and San Jacinto Mountains of Southern California
Derek E. Lee, Monica L. Bond, Mark I. Borchert, Richard Tanner, 2013, Journal of Wildlife Management on p. 1327-1341
A multi-method approach to delineate and validate migratory corridors
Monica L. Bond, Curtis M. Bradley, Christian Kiffner, Thomas A. Morrison, Derek Lee, 2017, Landscape Ecology on p. 1705-1721
Diet and home-range size of California Spotted Owls in a burned forest
Monica L. Bond, Derek Lee, Rodney B. Siegel, Morgan W. Tingley, 2013, Western Birds on p. 114-126
Previous year's reproductive state affects Spotted Owl site occupancy and reproduction responses to natural and anthropogenic disturbances
Derek Lee, Monica L. Bond, 2015, Condor on p. 307-319
Foraging habitat selection by California spotted owls after fire
Monica L. Bond, Curt Bradley, Derek E. Lee, 2016, Journal of Wildlife Management on p. 1290-1300
Movements and source–sink dynamics of a Masai giraffe metapopulation
Derek Lee, Douglas T. Bolger, 2017, Population Ecology on p. 157-168
Spatial variation in giraffe demography: A test of 2 paradigms
Derek Lee, Monica L. Bond, Bernard M. Kissui, Yustina A. Kiwango, Douglas T. Bolger, 2016, Journal of Mammalogy on p. 1015-1025
News Articles Featuring Derek Lee
Feb 10, 2021
Friends matter: More sociable giraffes live longer
Adult female giraffes that group together with more of their peers live longer than less sociable individuals, according to a five-year study of giraffes in Tanzania.
Dec 10, 2020
Could spotted owls benefit from forest fires?
It may seem counterintuitive, but forest fires are actually beneficial to spotted owls, according to Penn State biologist Derek Lee.
Jun 09, 2020
Human presence weakens social relationships of wild giraffes
Living in close proximity to human settlements disturbs giraffe social networks, with animals having weaker bonds and fewer interactions with other giraffes, according to a new study by a team including a Penn State biologist.
Apr 26, 2020
Wildfires Can Reduce Biodiversity. Can Biodiversity Be Used to Reduce Wildfires?
Over the past several months, wildfires have burned a huge portion of Australia’s natural landscape. We’re talking almost 18 million acres of bushland, forest and national parks. This was not your typical annual wildfire.
Mar 18, 2020
Improving success of giraffe translocations
Researchers advise that Giraffes being translocated for conservation purposes should be moved in groups that contain at least 30 females and three males to ensure long-term population success.