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Holt Island Quiz, Saturday November 23rd, St Ives Corn Exchange

Quiz Night 2019We are delighted to invite you to the 2019 Holt Island Quiz! As you will see on the invitation to the quiz, it will be held on November 23rd at St Ives Corn Exchange, and your £10 ticket will include a delicious fish and chip supper.

This year we are asking you to bring your own cutlery and condiments with you, and help us play our part in working to reduce plastic pollution. According to the World Wildlife Fund (WWF) eight million tonnes of plastic ends up in our oceans every year, and cutting out single use plastic items like cutlery is one way we can reduce our plastic footprint.

Once again, our host and quizmaster will be Daniel Rowe, so we can be sure of a challenging and entertaining evening!


Tickets sold out quickly last year, so please book your places early!


Bats released on Holt Island!

Recently we released four bats on Holt Island. They were found grounded and dehydrated in St Ives, but the place they were found was not safe for release once they had been rehabilitated. As Holt Island was almost certainly in their hunting area it was decided to release them there. This video which was filmed originally in red light, shows the release (it is clearer in this black and white version). The noise you can hear right at the end as the bat takes off is the sound of the bat echolocating which was captured using a bat detector. Bats use echolocation to find their way around and find food in the dark. To echolocate, bats send out sound waves from the mouth or nose. When the sound waves hit an object they produce echoes. The echo bounces off the object and returns to the bats' ears. You can watch the VIDEO HERE.


You may have noticed clusters of these black, bristly caterpillars on Holt Island recently. These are the caterpillars of the Peacock butterfly – you may also see these beautiful butterflies in your garden. The females lays around 500 eggs, usually on nettles (which are plentiful on Holt Island), which the caterpillars also eat. When the caterpillars hatch – after about two weeks – they spin a web in which they live and feed as a community. As they grow they live more in the open. The adult butterflies emerge in July.

Did you know? The “eye spots” on the Peacock butterfly are used to scare off predators.

Peacock butterfly caterpillars

Peacock butterfly