You may see moorhens nesting at around this time of year, so be sure to look out for them if you're near any bodies of water this week. This lithograph can be found inside John Gould's 'Birds of Great Britain', Vol. 4, 1873.

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You'll often see just a flash of blue as these colourful birds fly past, but if you're very lucky you may see them perched and ready to dive for fish! These kingfishers are from John Gould's 'Birds of Great Britain', Vol. 2, 1873.

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"To fulfil a wish I had long entertained, of dedicating to our most gracious Queen one of the loveliest of the ornithological productions of her antipodal dominions..." Victoria's riflebird (Ptiloris victoriae), in Gould's Birds of Australia (1869)

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To celebrate we have some blackbirds from John Gould's 'Birds of Great Britain' vol. 2! ZSL Librarian, Ann, celebrated this morning with Blackbirds and robins started first at 4.40am with a song thrush and many wrens soon joining in.

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Happy Easter from ! We "hop" the Easter Bilby came!
(image from Gould's "Mammals of Australia" via & https://t.co/ADE7D9qmPc) cc

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Glenn Gould's annotated copy of the Goldberg Variations.

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Happy Large Frogmouths (Batrachostomus auritus). by and John Gould for Gould's Icones Avium (1837-38). View more in : https://t.co/kDrDKFVptF --

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The Great Flying Phalanger, from Gould's "Mammals of Australia", 1863. https://t.co/LpaU3VDXsk &

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For day 10 of our here are a pair of grasshopper warblers from Gould's 'Birds of Great Britain' vol. 2. We chose these because the word 'grasshopper' makes us think of leaping! Less tenuous connections to follow, we promise...

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Day 4 of our and we're sharing blackbirds. Why? Well, it's thought the song originally referred to 'colley' birds, which is an archaic term for blackbirds. This pair feature in John Gould's 'Birds of Great Britain' vol. 2

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For day 2 of our is a pair of turtle doves, which can be found in John Gould's 'Birds of Great Britain', vol. 4.

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On the seventh day of my true love gave to me...
Seven a-swimming

from John Gould's '#Birds of Great Britain' via - https://t.co/jNzm0p7t2f

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Brush-tailed Rock Wallaby from John Gould's "A monograph of the Macropodidæ", illustrated by Henry Constantine Richter. https://t.co/ZKxCBV4uZN via &

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Glenn Gould's music is now playing beyond the stars! Amazing to know that included "The Well-Tempered Clavier" on their Golden Record. https://t.co/BasEdzExBq

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Yellow-bellied Glider, Petaurus australis (formerly known as Belideus flaviventer) from John Gould's Mammals of Australia, 1863. https://t.co/ea9phxVLyX via

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...and for the it has to be John Gould's sumptuous 'A monograph of the with by H.C. Richter

Also available on via https://t.co/Ri931uUC4P

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White-footed Dunnarts (Sminthopsis leucopus ferruginifrons ). by Henry Constantine Richter and John Gould for John Gould's Mammals of Vol. 1 (1863). View more in with thanks to for digitizing: https://t.co/uYsIcynBa0

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82 years ago, the last known died in captivity in Hobart. To mark this sad day we wanted to share these beautiful images from John Gould's 'Mammals of Australia' vol. 1 (c.1845-63)

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Gilded (Hylocharis chrysura) for by John Gould and Henry Constantine Richter for Gould's Monograph of the Trochilidae, or Family of Hummingbirds (1861). View in with thanks to for digitizing: https://t.co/s57SCHoCu0

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Poland's national bird, the White-tailed eagle (Haliaeetus albicilla). Our guy is Plate 4 from John Gould's 1873 'Birds of Great Britain', so he clearly gets around! View for free https://t.co/2JmlqGKWVg

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