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FIGURE 1 in Systematics of the Podarcis hispanicus complex (Sauria, Lacertidae) III: valid nomina of the western and central Iberian forms

FIGURE 1. Scatterplots of multivariate analyses of Podarcis males type 1 (A & B) and type 2. a: First and second axis of a PCA. b: First axis of a DA with reference specimens as active individuals and the others as supplementary (see methods) and dorsal number; number of dorsal scales is merely used for representative purpose on a two dimension plan as a DA on two groups returns only one axis.

FIGURE 5 in Systematics of the Podarcis hispanicus complex (Sauria, Lacertidae) III: valid nomina of the western and central Iberian forms

FIGURE 5. Variation in females, undersides and juveniles of Podarcis guadarramae guadarramae. A) Female. Spain, El Tiemblo (province of Ávila). 27.06.2001 (BEV.2007). Photo P. Geniez. B) Female with the "guadarramae striped pattern". Spain, Navalmoral (province of Ávila), 27.6.2001 (BEV.1999). Photo P. Geniez. C) Typical underside of a male, Spain, Navalilla, in the village (province of Segovia), 13.05.1996 (BEV.4487). Photo P. Geniez. D) Male with a white underside. Spain, San Martin de Valdeiglesias (province of Madrid), 27.06.2001 (BEV.2018). Photo P. Geniez. E) Juvenile male. Spain, San Martin de Valdeiglesias (province of Madrid), 27.06.2001 (BEV.2025). Photo P. Geniez. F) Juvenile female. Spain, La Alberca, Iglesia de Nuestra Señora de la Asunción (province of Salamanca), 18.09.2007 (PGe.790). Photo P.-A. Crochet.

FIGURE 8 in Systematics of the Podarcis hispanicus complex (Sauria, Lacertidae) III: valid nomina of the western and central Iberian forms

FIGURE 8. Variation in males of Podarcis guadarramae lusitanicus. A) Portugal, Serra da Estrela, just north of the Lagoa de Viriato (district of Castelo Branco), 1579 m, 21.08.2008 (PGe.796). Photo O. Buisson. B) and C) Portugal, Serra da Estrela, top of the Vale Glacirio do Zêzere, crossroad N 338 x N 339, 1800 m (district of Guarda), 10.05.1985 (respectively BEV.3982 and 3981). Photos P. Geniez. D). Spain, 200 m E. Castro Baroña (42 km SW. Santiago, province of Pontevedra), 12.10.2006 (PGe.1035). Photo J. Speybroeck. E) and F). Spain, 1 km ESE. Viana do Bolo (province of Orense), 734 m, 1.05.2012 (respectively PGe.1134 and 1132). Photos J. Speybroeck (E) and W. Beukema (F).

FIGURE 7 in Systematics of the Podarcis hispanicus complex (Sauria, Lacertidae) III: valid nomina of the western and central Iberian forms

FIGURE 7. Holotype of Podarcis guadarramae lusitanicus, male MNHN 2012.0263. Portugal, 1 km past Âncora towards Póvoa do Varzim (district of Viana do Castelo), 14.05.1985. Photos P. Geniez. Note the very flattened head, the very large black spots on the pileus, the lack of vertebral stripe, the very broad black supradorsolateral stripes invading a large part of the pale green dorsum and the light dorsolateral stripes made of weakly elongated spots.

FIGURE 4 in Systematics of the Podarcis hispanicus complex (Sauria, Lacertidae) III: valid nomina of the western and central Iberian forms

FIGURE 4. Variation in males of Podarcis guadarramae guadarramae. For GPS coordinates (WGS84 in decimal degrees), see Appendix 1. A) Spain, Sierra de Gredos, 1.5 km N. Laguna Grande, 1,897 m (province of Ávila), 17.08.2007 (PGe.1107). Photo O. Buisson. B) Spain, Sierra de Guadarrama, Boca del Asno, 7 km past La Granja de San Ildefonso towards Puerto de Navacerrada (province of Segovia), 19.08.1990 (PGe.1028). Photo P. Geniez. C) Spain, Hiendelaencina, in the village, Plaza Major, 1,080 m (province of Guadalajara), 17.07.2010 (BEV.10983). Photo P. Geniez & P.-A. Crochet. D) Spain, San Martín de Valdeiglesias (province of Madrid), 27.06.2001 (BEV.2021). Photo P. Geniez. E) Spain, El Tiemblo (province of Ávila), 27.06.2001 (BEV.2009). Photo P. Geniez. F) Specimen with greenish tint on the back. Spain, Sierra de Gredos, 4 km NE. Laguna Grande, 2000 m (province of Ávila), 16.07.1992 (PGe.1035). Photo P. Geniez.

Figure 3 in Identification of morphologically cryptic species with computer vision models: wall lizards (Squamata: Lacertidae: Podarcis) as a case study

Figure 3. Example of Grad-CAM heatmaps obtained for Podarcis lusitanicus. The upper images show two common patterns observed in male dorsal images (also found, albeit with some differences, in females). The bottom images exhibit the patterns most frequently found in male and female head lateral images (here illustrated in two females).

Figure 2 in Identification of morphologically cryptic species with computer vision models: wall lizards (Squamata: Lacertidae: Podarcis) as a case study

Figure 2. Confusion matrix for male (upper) and female (lower) image classification for the two-class case based on a combination of predictions from six models. Abbreviations used: Pboc, P. bocagei; Plus, P. lusitanicus.

Highly variable (no clear pattern). All portions of the dorsal views were equally used. In head images the area around the eye, the top of the head, the snout and the throat were all used in similar proportions. P. carbonelli Variable for both views. Snout and middle of the dorsum used in dorsal view. Top of the head most frequently (but not strictly) used in lateral view. P. guadarramae Whole body used for dorsal view (but variable); either throat (most common) or ear region used in head lateral views. P. hispanicus Variable. Anterior portion of snout used more frequently than in other species for both dorsal and head lateral views. P. liolepis Highly variable. Whole body used in most dorsal images, area around the eye and throat used in head lateral views, but other patterns common. P. lusitanicus Highly variable. All parts of the dorsum used (but frequently the most posterior part); area around the ear frequently used in head lateral images. P. tunesiacus Highly variable. Dorsal area near the insertion of the posterior limbs used more frequently than in other species; different regions of the head used, often simultaneously. P. Ʋaucheri Highly variable. Different regions of dorsum (from head to the posterior region) used in dorsal images, all portions of the head, but most frequently the throat, used in lateral images. P. Ʋirescens Highly variable. All parts of both images used. Head and anterior part of the dorsum more used than in other species. in Identification of morphologically cryptic species with computer vision models: wall lizards (Squamata: Lacertidae: Podarcis) as a case study

Highly variable (no clear pattern). All portions of the dorsal views were equally used. In head images the area around the eye, the top of the head, the snout and the throat were all used in similar proportions. P. carbonelli Variable for both views. Snout and middle of the dorsum used in dorsal view. Top of the head most frequently (but not strictly) used in lateral view. P. guadarramae Whole body used for dorsal view (but variable); either throat (most common) or ear region used in head lateral views. P. hispanicus Variable. Anterior portion of snout used more frequently than in other species for both dorsal and head lateral views. P. liolepis Highly variable. Whole body used in most dorsal images, area around the eye and throat used in head lateral views, but other patterns common. P. lusitanicus Highly variable. All parts of the dorsum used (but frequently the most posterior part); area around the ear frequently used in head lateral images. P. tunesiacus Highly variable. Dorsal area near the insertion of the posterior limbs used more frequently than in other species; different regions of the head used, often simultaneously. P. Ʋaucheri Highly variable. Different regions of dorsum (from head to the posterior region) used in dorsal images, all portions of the head, but most frequently the throat, used in lateral images. P. Ʋirescens Highly variable. All parts of both images used. Head and anterior part of the dorsum more used than in other species.

Figure 1 in Identification of morphologically cryptic species with computer vision models: wall lizards (Squamata: Lacertidae: Podarcis) as a case study

Figure 1. The two image types analysed in this study (before pre-processing): above, a dorsal view; below, a head lateral image. Both images correspond to the same Podarcis Ʋaucheri s.l. male.

Highly variable. Mid-portion of the dorsum used frequently (although other areas as well). Tip of the snout used often, but area around the ear and throat are also relevant. P. carbonelli Variable. In the dorsal view, the tip of the snout is frequently used. In the head lateral view, the tip of the snout is also com- monly used, as well as the most posterior region of the head. P. guadarramae Variable. Mid portion of the dorsum and tip of the snout are the regions used more frequently in dorsal and head lateral views, respectively. P. hispanicus Variable. The head and most anterior part of the dorsum are frequently used in the dorsal view. Snout and/or top of posterior region of head used. P. liolepis Variable. Different parts of the dorsum are used, whereas the tip of the snout is used in most head lateral images. P. lusitanicus Anterior dorsum, in the dorsal view, and both snout and posterior side of the head (in head lateral views) frequently used. P. tunesiacus Variable. Tip of the snout and posterior part of the trunk more used than in other species; snout and top head region behind the eye used with some frequency. P. Ʋaucheri Highly variable. All parts of the dorsum used in dorsal images, various parts of the head (but frequently snout and throat combined) used in head lateral images. P. Ʋirescens Highly variable. All portions of the dorsum used in dorsal images, region around and behind the ear more used than in other species for head lateral images. in Identification of morphologically cryptic species with computer vision models: wall lizards (Squamata: Lacertidae: Podarcis) as a case study

Highly variable. Mid-portion of the dorsum used frequently (although other areas as well). Tip of the snout used often, but area around the ear and throat are also relevant. P. carbonelli Variable. In the dorsal view, the tip of the snout is frequently used. In the head lateral view, the tip of the snout is also com- monly used, as well as the most posterior region of the head. P. guadarramae Variable. Mid portion of the dorsum and tip of the snout are the regions used more frequently in dorsal and head lateral views, respectively. P. hispanicus Variable. The head and most anterior part of the dorsum are frequently used in the dorsal view. Snout and/or top of posterior region of head used. P. liolepis Variable. Different parts of the dorsum are used, whereas the tip of the snout is used in most head lateral images. P. lusitanicus Anterior dorsum, in the dorsal view, and both snout and posterior side of the head (in head lateral views) frequently used. P. tunesiacus Variable. Tip of the snout and posterior part of the trunk more used than in other species; snout and top head region behind the eye used with some frequency. P. Ʋaucheri Highly variable. All parts of the dorsum used in dorsal images, various parts of the head (but frequently snout and throat combined) used in head lateral images. P. Ʋirescens Highly variable. All portions of the dorsum used in dorsal images, region around and behind the ear more used than in other species for head lateral images.

Figure 4 in Identification of morphologically cryptic species with computer vision models: wall lizards (Squamata: Lacertidae: Podarcis) as a case study

Figure 4. Confusion matrix for male (upper) and female (lower) image classification for the nine-class experiment based on a combination of predictions from six models. Abbreviations used: Pboc, P. bocagei; Pcar, P. carbonelli; Phis, P. hispanicus; Plio, P. liolepis; Plus, P. lusitanicus; Pvsl, P. Ʋaucheri s.l.; Pvss, P. Ʋaucheri s.s.; Pvir, P. Ʋirescens.