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Ronny Steen

Publications

  • Evolution of parental roles in provisioning birds: diet determines role asymmetry in raptors
  • Daily activity and nest attendance in a breeding pair of Parrot Crossbills Loxia pytyopsittacus in southern Norway
  • Nonparental Infanticide in Colonial Eleonora’s Falcons (Falco eleonorae)
  • The use of a low cost high speed camera to monitor wingbeat frequency in hummingbirds (Trochilidae)
  • Ecology of alpine carabid beetles (Coleoptera, Carabidae) in a Norwegian glacier foreland, with a special focus on claw wearing to indicate relative age
  • New video registration of Autographa pulchrina (Haworth, 1809) (Lepidoptera, Noctuidae) and Sphinx pinastri L., 1758 (Lepidoptera, Sphingidae) pollinating Platanthera bifolia latiflora (Orchidaceae) in Norway
  • Goshawk diet during the nestling period in farmland and forest-dominated areas in southern Norway
  • Impact of weather on annual fluctuations in breeding numbers of Lesser Spotted Woodpecker Dendrocopos minor in Norway
  • Prey delivery rates as estimates of prey consumption by Eurasian kestrel Falco tinnunculus nestlings
  • Diel activity of foraging eurasian red squirrels (Sciurus vulgaris) in the winter revealed by camera traps
  • Returning for more prey? Foraging in provisioning male Boreal Owls (Aegolius funereus)
  • Evolution of parental roles in raptors: prey type determines role asymmetry in the Eurasian kestrel
  • Intrafloral patterns of color and scent in Capparis spinosa L. and the ghosts of its selection past
  • A portable digital video surveillance system to monitor prey deliveries at raptor nests
  • Pollination of Platanthera chlorantha (Orchidaceae): new video registration of a hawkmoth (Sphingidae)
  • Succession of beetles (genus Cis) and oribatid mites (genus Carabodes) in dead sporocarps of the red-banded polypore fungus Fomitopsis pinicola
  • Size-biased allocation of prey from male to offspring via female: family conflicts, prey selection, and evolution of sexual size dimorphism in raptors
  • Delivery of Common Lizards (Zootoca (Lacerta) vivipara) to nests of Eurasian Kestrels (Falco tinnunculus) determined by solar height and ambient temperature
  • Portable digital video surveillance system for monitoring flower-visiting bumblebees
  • Food provisioning in a generalist predator: selecting,preparing, allocating and feeding prey to nestlings in the Eurasian kestrel (Falco tinnunculus)
  • Parents adjust feeding effort in relation to nestling age in the Eurasian kestrel (Falco tinnunculus)
  • Direct and indirect weather impacts on spring populations of lesser spotted woodpecker (Dendrocopos minor) in Norway
  • Food provisioning in the Eurasian kestrel (Falco tinnunculus): handling efficiency of prey delivered to the nest
  • Plastic mistaken for prey by a colony-breeding Eleonora's falcon (Falco eleonorae) in the Mediterranean Sea, revealed by camera-trap
  • Diel activity, frequency and visit duration of pollinators in focal plants:in situautomatic camera monitoring and data processing
  • Bird monitoring using the smartphone (iOS) application Videography for motion detection
  • The feeding constraint hypothesis: prey preparation as a function of nestling age and prey mass in the Eurasian kestrel
  • A Bank Vole (Myodes glareolus) with Complete Leucism Captured by a Eurasian Kestrel (Falco tinnunculus) in Norway
  • Video-surveillance system for remote long-term in situ observations: recording diel cavity use and behaviour of wild European lobsters (Homarus gammarus)
  • Volatiles composition and timing of emissions in a moth-pollinated orchid in relation to hawkmoth (Lepidoptera: Sphingidae) activity
  • Diel activity patterns of urban Woodchucks (Marmota monax) revealed by camera traps at burrows in southwestern Ontario, Canada
  • Pine marten predation of common goldeneye nests: Effects of cavity age and habitat override any effect of microtine rodent abundance
  • Biparental incubation behaviour under temperature extremes in sandbank nesting black skimmers

Ronny Steen's public data