northern jacanas in cano negro wildlife refuge, costa rica

northern jacana spinosa cano negro wildlife refuge costa rica birds nature wetland aquatic plants flying standing avian fauna outdoors wild animalia chordata aves passeriformes jacanidae conservation habitat ecology biodiversity ornithology feathers beak eyes flora environment natural reserve ecosystem biology observation watching greenery foliage perching plumage wing tail biome endemic species zoology field research preservation ecoregion passerine terrestrial vertebrate Cañonegro