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Photo CC-BY-NC-SA license and credit and taxonomic work belongs to the Florida Museum of Natural History (FLMNH).

This observation is a part of the long-term monitoring efforts of Gustav Paulay and his team at FLMNH and Friday Harbor Labs. 

Although this observation also falls within the boundaries of the MarineGEO iNaturalist umbrella project (which is an ongoing collaborative work between MarineGEO and the Tennenbaum Marine Observatories Network, the Florida Museum of Natural History, the Smithsonian’s National Museum of Natural History Museum, and our network partners), this is not from a MarineGEO specific campaign.

While vacationing in the San Juan Islands between Victoria, B.C. and Washington state, we were watching a pod of Orca's when they began to hunt and chase something. As you can see, it became evident pretty quick that a little harbour porpoise (Phocoena phocoena) was on their dinner plans. They chased the poor guy to the surface, jumped over him and landed on him until it was over. As brutal as it was to watch, the Orca's have to eat. Some are fish eaters, some are marine mammal eaters. We found out what these were..

Seeds with rounded areoles in neat rows (sorry about the bad microscope pic, I need a microscope camera attachment). Small patches in peaty mud on coastal salt pond shore, recently exposed with falling water levels.

Espécie endêmica da região e relativamente frequente na vegetação ciliar de riachos encachoeirados nas encostas íngremes da Serra do Mar, sendo mais raramente encontrado em vegetação herbácea em áreas de brejos e alagados.
Indivíduo macho mostrando o significado do epíteto da espécie "amplicoxae", que significa "coxa larga"

Roughly 50 plants in a mixed population with Bidens amplissima, about 100 plants total on the east side of the pond and another population of about 60 plants on the north side

Some plants with tripartite leaves and others without

in the absence of a trunk or stone to lean on, a capybara may be an option;
I have observed these two individuals do this twice;

see also
https://www.inaturalist.org/journal/nelson_wisnik/21258-the-friendly-capybara