Scottish mammals and birds I have never seen and would like to spot in 2019

Got a few creatures I'd like to catch a glimpse of as a way of planning some trips for next year. Been lucky with the dolphins, porpoises and otters lately.

The only larger land mammals I've never laid eyes on are the Pine Martin, Beaver and obviously the Wild Cat which might have to be in the zoo.

Bird-wise my wish-list is the scottish crossbill, ospreys and the capercaillie, none of which I have ever seen. I haven't spotted a kingfisher for 20 years either.

Any of the larger cetaceans would be very welcome too, orcas, whales etc.

Anyone else got some major gaps in their sightings? Suggestions for likely locations welcome too.

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Edit: Also basking sharks wanted too.