Articles by Author: Penn Lloyd

Search results for Penn Lloyd

We found 37 results for you
  1. SHORT NOTES

    SHORT NOTES

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
  2. COMPARISONS OF THE VOCALIZATIONS AND SOCIAL BEHAVIOUR OF SOUTHERN AFRICAN <em>PYCNONOTUS</em> BULBULS

    COMPARISONS OF THE VOCALIZATIONS AND SOCIAL BEHAVIOUR OF SOUTHERN AFRICAN <em>PYCNONOTUS</em> BULBULS

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
    Lloyd, P., Hulley, P.E. & Craig, A.J.F.K. 1996. Comparisons of the vocalizations and social behaviour of southern African Pycnonotus bulbuls. Ostrich 67: 118–125.
  3. Song sharing by neighbourhood groups of territorial male Blackeyed Bulbuls

    Song sharing by neighbourhood groups of territorial male Blackeyed Bulbuls

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
    Lloyd, P., Hulley, P.E. & Craig, A.J.F.K. 1999. Song sharing by neighbourhood groups of territorial male Blackeyed Bulbuls. Ostrich 70 (3&4): 208–213
  4. The biology of the Yellowthroated Sandgrouse <em>Pterocles gutturalis</em> in a South African agricultural landscape

    The biology of the Yellowthroated Sandgrouse <em>Pterocles gutturalis</em> in a South African agricultural landscape

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
    Tarboton, W.R., Blane, S. & Lloyd, P. 1999. The biology of the Yellowthroated Sandgrouse Pterocles gutturalis in a South African agricultural landscape. Ostrich 70 (3&4): 214–219.
  5. Ecology and genetics of hybrid zones in the southern African <em>Pycnonotus</em> bulbul species complex

    Ecology and genetics of hybrid zones in the southern African <em>Pycnonotus</em> bulbul species complex

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
    Lloyd, P., Craig, A.J.F.K., Hulley, P.E., Essop, M.F., Bloomer, P. & Crowe, T.M. 1997. Ecology and genetics of hybrid zones in the southern African Pycnonotus bulbul species complex. Ostrich 68 (2–4): 90–96.
  6. Short Notes

    Short Notes

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
  7. Dispersal

    Dispersal

    Item type: Journal Article • Journal: African Zoology
  8. Rainfall and food availability as factors influencing the migration and breeding activity of Namaqua Sandgrouse, <em>Pter

    Rainfall and food availability as factors influencing the migration and breeding activity of Namaqua Sandgrouse, <em>Pter

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
    This study examines whether rainfall and its effects on food availability control the timing of migratory movements and breeding activity in the Namaqua Sandgrouse, Pterocles namaqua. Namaqua Sandgrouse exhibit a pattern of partial migration between two late-summer-rainfall regions, birds spending...