puzzling...
While many sudoku boards only have the rule that each digit (1-9) can only appear once per row, column, and 3x3 grid, other boards are only solvable if like digits are also not within the distance of one move by this chess piece.
Knight
Magpies, jackdaws, and scrub jays are all lower classifications of what family of birds?
Corvids
"Yo no estoy morir en este busque; yo voy a _____."
pervivir / sobrevivir (to survive, to endure)
Touching this massive, noxious plant in the Adirondacks could make you suspect you've contracted vampirism, as people are encouraged to avoid direct sunlight for 48 hours after contact or risk severe pain, large blisters, dark scarring, and long-term sun sensitivity, but it's actually just phytophotodermatitis.
Giant hogweed (Heracleum mantegazzianum)
Some birds produce a pale, yellow, cottage cheese-like substance called crop milk to regurgitate to young birds. This trait in flamingoes and emperor penguins may suggest convergent evolution, but it is best known for being produced by every type of this stereotypically dumb bird.
Pigeon/dove
"¡Estaba nabando en la playa y me picó una de estas!" También se le llama una medusa.
Aguaviva (jellyfish)
This deciduous tree in the quassia family is a problem because it quickly forms dense thickets that outcompete native plants. It's also the primary host for spotted lanternflies.
Tree of heaven (Ailanthus altissima)
Much like amphibians, reptiles, and most fish, birds feature just one orifice for urinary, digestive, and reproductive tracts, called this. (For an additional point, name either of the only two mammals, or their shared order, which also feature this opening.
Cloaca (Monotremes: platypus, echidna)
Similar a una cosa o un hogar, es un lugar donde una familia come y duerme, y trabaja tal vez.
Vivienda (dwelling, housing, residence)
Walking through poison ivy can leave you with an itchy rash spread by this oil that coats the plant, which is why hikers are encouraged to wash any skin, gear, and clothing that may have touched it to prevent spreading.
Urushiol
Una persona que practica habilidades esenciales al aire libre como deporte o pasatiempo.
Supervivencialista (survivalist)
One of the most successful non-native plants to invade forest understories, this biennial herb from Europe is identifiable by basal rosette leaves; clustered white flowers; and thin, curving fruit pods. It also emits a strong odor akin to the allium from which it earns part of its name.
Garlic mustard (Alliaria petiolata)
Se puede encontrar en la mayoría de los parques de los atracciones, pero su nombre en México—"los caballitos"—es más divertido que este nombre, utilizado en España.
Tiovivo (carousel)