ADULT, ADULTS, AN, ANIMAL, AREA, ARENA, ATMOSPHERE, ATTRACTIVE, AVES, BALCAEN, BEHAVIOR, BEHAVIOUR, BEHAVIOURS, BILATERIA, BIRD, BREEDING, BRIDAL, CHARADRIIFORMES, CHORDATA, CLAUDE, COAT, COATS, COELOMATA, CONCERN, COPULATE, COPULATING, COPULATION, COPULATIONS, COUPLE, COUPLED, COUPLING, COUPLINGS, COURTSHIP, COVER, DEUTEROSTOMIA, DEVELOPMENT, ENUMERATION, EUKARYOTA, EUROPE, EUROPEAN, FEMALE, FEMALES, FORMATION, IN, INDIVIDUAL, INTERCOURSE, INTERCOURSES, IUCN, LC, LEAST, LEK, LIST, LIVERIES, LIVERY, LOW, LR, MALE, MALES, MATING, MAY, METAZOA, MORPHOLOGY, NOBODY, NORWAY, OF, OPISTHOKONTA, ORGANISM, PAIR, PARADE, PARADES, PARADING, PHILOMACHUS, PLUMAGE, PLUMAGES, POLAR, PUGNAX, RED, REPRODUCE, REPRODUCING, REPRODUCTION, REPRODUCTIVE, RISK, RUFF, RUFFS, SANDPIPER, SCANDINAVIA, SCOLOPACIDAE, SEASON, SEASONS, SEDUCE, SEDUCING, SEDUCTION, SEQUENCE, SEQUENCES, SERIES, SEXUAL, SHORE, SMALL, SPECIES, SPRING, STAGE, STEP, STEPS, TEMPERATE, TETRAPODA, THREATENED, TO, TUNDRA, TUNDRAS, UNION, UP, VARANGER, VERTEBRATA, WADING, WILD, WITH, ZOOLOGY,