Great Snipe
Gallinago media
At 26–30 cm (10–12 in) in length and a 42–50 cm (17–20 in) wingspan, adults are only slightly larger, but much bulkier, than the common snipe and have a shorter bill. The body is mottled brown on top and barred underneath. They have a dark stripe through the eye. The wings are broad, and a pale wingbar is visible in flight. The voice is described as a faint yeah. Mating display calls of groups can be heard at long distances (more than 300 m (330 yd)) and sound like a mixture of firecracker wind-up xylophone sounds.
ID text from Wikipedia, CC BY-SA 4.0

Pin-tailed Snipe
Gallinago stenura
This 25–27 cm long bird is similar to the longer-billed and longer-tailed common snipe. Adults have short greenish-grey legs and a long straight dark bill. The body is mottled brown on top, with cream lines down their back. They are pale underneath with a streaked buff breast and white belly. They have a dark stripe through the eye, with light stripes above and below it. Sexes are similar, and immatures differ only in minor plumage details. The wings are less pointed than common snipe, and lack the white trailing edge of that species.
ID text from Wikipedia, CC BY-SA 4.0

Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Great Snipe and Pin-tailed Snipe.