A grey whale comes towards a boat as tourists put their hands out in, Baja California, Mexico, March 2017. A pair of newly born grey whale calves intrigued by visiting tourists eagerly swim over to the group to get a closer look. Urged on by their mother, the small calves confidently went up to the tour group who were visiting San Ignacio Lagoon in Baja California, Mexico. This adorable moment was captured by zoologist and wildlife photographer, Mark Carwardine on his visit to the area in March 2017. (Photo by Mark Carwardine/Barcroft Images)A grey whale splashes about in the water next to a boat filled with tourists in, Baja California, Mexico, March 2017. (Photo by Mark Carwardine/Barcroft Images)A grey whale greets tourists in boat in, Baja California, Mexico, March 2017. (Photo by Mark Carwardine/Barcroft Images)A grey whale calf comes towards a boat to greet tourists in, Baja California, Mexico, March 2017. (Photo by Mark Carwardine/Barcroft Images)A grey whale mother with her calf in, Baja California, Mexico, March 2017. (Photo by Mark Carwardine/Barcroft Images)A tourist puts his hand out as a grey whale calf comes towards the boat in, Baja California, Mexico, March 2017. (Photo by Mark Carwardine/Barcroft Images)A grey whale breaches from the water to greet tourists in boat in, Baja California, Mexico, March 2017. (Photo by Mark Carwardine/Barcroft Images)A grey whale calf pops its head out of the water in, Baja California, Mexico, March 2017. (Photo by Mark Carwardine/Barcroft Images)A grey whale swims under a boat filled with tourists in, Baja California, Mexico, March 2017. (Photo by Mark Carwardine/Barcroft Images)A grey whale breaches from the water to greet tourists in boat in, Baja California, Mexico, March 2017. (Photo by Mark Carwardine/Barcroft Images)A grey whale breaches from the water to greet tourists in boat in, Baja California, Mexico, March 2017. (Photo by Mark Carwardine/Barcroft Images)A grey whale comes towards a boat as a tourist puts his hand out in, Baja California, Mexico, March 2017. (Photo by Mark Carwardine/Barcroft Images)A grey whale breaches from the water in, Baja California, Mexico, March 2017. (Photo by Mark Carwardine/Barcroft Images)A grey whale splashes about in the water next to a boat filled with tourists in, Baja California, Mexico, March 2017. (Photo by Mark Carwardine/Barcroft Images)