A comparison of two bird survey techniques used in a subtropical forest

Article Abstract:

The effectiveness of mist netting and point counting as methods of surveying bird communities in tropical forest habitats is poorly known. A new study compares data from mist netting and point counting at the same survey point in a forest in Belize to assess which is better suited as a survey tool. It is shown that point counting is a more accurate and time effective technique for describing bird communities than mist netting.

Methods, Observations, Bird populations, Population forecasting

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A comparison of point and sound recording as bird survey methods in Amazonian Southeast Peru

Article Abstract:

Research testing the efficiency of two investigation methods used in recording species richness of birds in southeast Peru is presented. The methods under scrutiny are the sound recording and the point count. Sound recordings are found to be superior in identifying species richness.

Sound recordings, Birdsongs

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A new specimen of the tiny Middle Eocene bird Gracilitarsus mirabilis (new family: Gracilitarsidae)

Article Abstract:

A description is presented of the fossil of a tiny bird from the Middle Eocene which was discovered in the Messel oilshale in Germany. The bird has been named Gracilitarsus mirabilis and is the size of a hummingbird.

Research, Cover Story, Geology, Stratigraphic, Stratigraphy, Birds, Birds, Fossil, Fossil birds, Origin, Eocene Epoch

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