Alan Watson / Frond pattern of tree ferns (Cyathea arborea) in lowland tropical rainforest at 420 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic.

Alan Watson / Frond pattern of tree ferns (Cyathea arborea) in lowland tropical rainforest at 420 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic.

Alan Watson / Tree fern (Cyathea arborea) with yellow frond in lowland tropical rainforest at 400 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic.

Alan Watson / Samo lianas / 'Sea heart' / Monkey ladder vines (Entada gigas) in dense lowland tropical rainforest at 400 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic.

Alan Watson / Samo lianas / 'Sea heart' / Monkey ladder vines (Entada gigas) in lowland tropical rainforest at 400 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic.

Alan Watson / Spine-covered trunk of a White pricklyash tree / Pino de teta tree (Zanthoxylum martinicense) in lowland tropical rainforest at 420 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic,...

Alan Watson / Spine-covered trunk of an White pricklyash / Pino de teta tree (Zanthoxylum martinicense) in lowland tropical rainforest at 420 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic, Carib...

Alan Watson / Anole lizard (Anolis sp.) on a tree in lowland tropical rainforest at 430 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic.

Alan Watson / Anole lizard (Anolis sp.) on the trunk of a jina tree (Inga criolla) in lowland tropical rainforest at 430 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic, Caribbean

Alan Watson / Buttressed base of a cola tree (Mora abbottii) in lowland tropical rainforest at 430 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic, Caribbean

Alan Watson / Bracket fungus on a Bullwood / Cacao cimarron tree (Sloanea berteriana) in lowland tropical rainforest at 400 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic.

Alan Watson / 'Palo de vela' or Candle tree (Tabebuia ricardii) in tropical rainforest at 500 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic. NB:This species is endemic to the Dominican Republic...

Alan Watson / Moss-covered trunks of Manacla / Sierra palms (Prestoea montana) and Tree fern (Cyathea arborea), in cloud forest at 910 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic

Alan Watson / Moss-covered trunks of Manacla / Sierra palms (Prestoea montana) and Tree fern (Cyathea arborea), in cloud forest at 910 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic

Alan Watson / Moss-covered base of a Cola tree (Mora abbottii), with manacla or sierra palms (Prestoea montana), in cloud forest at 900 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic, Caribbean

Alan Watson / Moss-covered base of a Cola tree (Mora abbottii), with manacla or sierra palms (Prestoea montana), in cloud forest at 900 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic, Caribbean

Alan Watson / Manacla / Sierra palm (Prestoea montana) in tropical rainforest at 770 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic, Caribbean

Alan Watson / Tree fern (Cyathea arborea) and Manacla / Sierra palm (Prestoea montana) in tropical rainforest at 770 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic, Caribbean

Alan Watson / Buttressed base of a Cola tree (Mora abbottii) Manacla / Sierra palms (Prestoea montana) in tropical rainforest at 770 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic, Caribbean

Alan Watson / Fir moss (Huperzia homocarpa) in tropical rainforest at 720 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic

Alan Watson / Orchard spider (Leucauge venusta) on fir moss (Huperzia homocarpa) in tropical rainforest at 720 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic, Caribbean

Alan Watson / Tree ferns (Cyathea arborea) and view of rainforest at 600 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic, Caribbean

Alan Watson / View of Loma Quita Espuela covered in rainforest and cloud forest, from 600 metres, Loma Quita Espuela Scientific Reserve, Dominican Republic, Caribbean

Alan Watson / Slug with optical tentacles extended, on the trunk of a Mango tree (Mangifera indica) at 400 metres, near Loma Quita Espuela Scientific Reserve, Dominican Republic

Alan Watson / Slug on the trunk of a Mango tree (Mangifera indica) at 400 metres, near Loma Quita Espuela Scientific Reserve, Dominican Republic