权威例句
Sapsucker nest holes and their use by other speciesWilliamson's Sapsucker (Sphrapicus thyroideus)Yellow-bellied Sapsucker (Sphyrapicus varius)Williamson's Sapsucker (Sphyrapicus thyroideus)RED-NAPED SAPSUCKER NEST TREES IN NORTHERN ROCKY MOUNTAIN OLD-GROWTH FORESTThe activities and coactions of animals at sapsucker treesMethods and Annual Sequence of Foraging by the SapsuckerNatural History and Differentiation in the Yellow-Bellied SapsuckerHeartwood Decay and Vertical Distribution of Red-Naped Sapsucker Nest CavitiesCharacteristics of nest cavities and nest trees of the Red-breasted Sapsucker in coastal montane forests.
