Mutualism of the Month: Nectar robbers and pollinating birds

Mutualism of the Month: Nectar robbers and pollinating birds

This month’s mutualism is between the nectar-robbing purple sunbird Nectarina asiatica and a small flowering tree, the desert teak Tecomella undulata, particularly how the purple sunbird impacts the relationship between desert teak and its two pollinating birds: the red-vented bulbul Pycnonotus cafer and the white-eared bulbul P. leucotis.

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Spring is here - Spring arrives overnight with birds

Spring is here - Spring arrives overnight with birds

Sometimes it feels like spring comes overnight and in the case of birds, the arrival of migrant songbirds actually does happen overnight.  Many of these birds accomplish long nocturnal flights traveling from the tropics to the northern parts of North America in the spring, and back again in the fall.  Some species travel for up to 88 hours without rest!  Migration is a stressful task for birds - and sometimes an equally stressful task for those wishing to study the process.  Read on to learn more about bird migration (with an emphasis on nocturnal and neotropical migrants) and how it is studied.

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Shedding some "light" onto Light Pollution

Shedding some "light" onto Light Pollution

The night sky is beautiful but it's also in danger. What is it in danger from?

Light pollution is excessive, misdirected, or obtrusive artificial light. It’s also defined as the alteration of natural light levels in the outdoor environment.

Let me shed some light on this subject on how light pollution is affecting the way we study the universe, how it's hurting wildlife, and how it's affecting our well-being and health.

Or shall I say I'll shed some “dark” onto the subject.

Photo credit to the Night Sky Guy.

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