Aerial, high angle, of a large flock of seagulls taking off from a low tide sand bar, Rocky Point, Puerto Peñasco, Gulf of California, Mexico

large flock sand flats seabirds seagulls low tide extreme ecosystem littoral zone marine habitat intertidal beach aerial biodiversity ecosystems marine biomes rock flats sand bar gulf of california coastal feature foreshore shoreline environment ecology animals puerto penasco rocky shore holes taking off high angle reef rocky point movement coastline nature habitat sand beach climate ocean crevices solitude mexico scenery title ranges rugged geography fragile reflective cracks drastic change rocky