Interesting facts about sandpiper spotted wood by weird square
Channel: Animal Square
Date: 06/03/2018

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The spotted sandpiper  is a small shorebird, 18–20 cm (7.1–7.9 in) long. The genus name Actitis is from Ancient Greek aktites, "coast-dweller", derived from akte, "coast", and macularius is Latin from macula, "spot".
Adults have short yellowish legs and an orange bill with a dark tip. The body is brown on top and white underneath with black spots. Non-breeding birds, depicted below, do not have the spotted underparts, and are very similar to the common sandpiper of Eurasia; the main difference is the more washed-out wing pattern visible in flight and the normally light yellow legs and feet of the spotted sandpiper. The Actitis species have a distinctive stiff-winged flight low over the water.Spotted sandpipers nest on the ground. During each summer breeding season, females may mate with and lay clutches for more than one male, leaving incubation to them. This is called polyandry. Male parents of first clutches may father chicks in later male's clutches, probably due to sperm storage within female reproductive tracts, which is common in birds. Females that fail to find additional mates usually help incubate and rear chicks. "Prior to incubation, blood plasma concentrations of testosterone and dihydrotestosterone are substantially higher in males than in females" and these levels plummet 25-fold in males as incubation proceeds.[3] Additionally, mated females have testosterone concentrations that are 7 times higher than those of unmated females.
These birds forage on ground or water, picking up food by sight. They may also catch insects in flight. They eat insects, crustaceans and other invertebrates. As they forage, they can be recognized by their constant nodding and teetering. Animal planet | Discovery | Netflix | Documentary | Animal World
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