Title

Year

Author

Photo of seven swiftlets with tags and ruler

Photo of seven swiftlets with tags and ruler

Photo taken at Batu Niah, Sarawak: the old style of reconstituting processed black nests (A. maximus) as flat discs

Photo taken at Batu Niah, Sarawak: the old style of reconstituting processed black nests (A. maximus) as flat discs

Sagittal section of head of Collocalia esculenta [see also "Notes and diagram on Collocalia esculenta"]

Sagittal section of head of Collocalia esculenta [see also "Notes and diagram on Collocalia esculenta"]

Sagittal section of head of Steatornis caripensis 1X [see also "Notes and diagram on Steatornis caripensis"]

Sagittal section of head of Steatornis caripensis 1X [see also "Notes and diagram on Steatornis caripensis"]

Swiftlets and nests at Lobang Salai, Baram, Sarawak 1957

Swiftlets and nests at Lobang Salai, Baram, Sarawak 1957

Swiftlets and nests in Gua Bulan: 57/D: 12: site 5

Swiftlets and nests in Gua Bulan: 57/D: 12: site 5

Swiftlets and nests in Niah Cave

Swiftlets and nests in Niah Cave

Swiftlets and nests in Niah Cave: 57/D: 1: two marked sites (8 and 10)

Swiftlets and nests in Niah Cave: 57/D: 1: two marked sites (8 and 10)

Swiftlets and nests in Niah Cave: 57/D: 15: sites 50 and 51

Swiftlets and nests in Niah Cave: 57/D: 15: sites 50 and 51

Swiftlets and nests in Niah Cave: 57/D: 2: site A: (M) nests just behind excavation pit

Swiftlets and nests in Niah Cave: 57/D: 2: site A: (M) nests just behind excavation pit

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